CommScope Blog

CommScope Definitions: What is Wavelength Division Multiplexing (WDM)?

Posted by Wes Oxlee on August 26, 2016


This blog post is part of a series called “CommScope Definitions,” in which we will explain common terms in communications network infrastructure.

Wave Division Multiplexing (WDM) is a method of combining or separating multiple wavelengths of light in or out of a single strand of fiber with each wavelength of light carrying a different signal. The use of optical filters allows a certain range of wavelengths and let another range of wavelengths pass through. CommScope uses thin-film filter technology (TFF) to obtain this optical effect. Thin layers are stacked together. Consecutive reflections on the interfaces between these layers create interference effects that let light pass through for certain wavelengths and reflect others. 


Corporate Communicating, Twitter Chat Style

Posted by Bill Walter on August 25, 2016

Twitter-Chat-compressedThis might not need an explanation, but as a corporate communicator, my job is basically to help my company communicate with people interested in it. (Not too hard of a concept to grasp, I suppose.) Over the years, how we communicate has changed greatly. And one of the big influencers is that fun-sounding friend of all of ours—social media.

As my colleague Kris Kozamchak recently wrote, technology has changed the ways we get and share information in our personal lives. And the same thing has happened in the corporate world. Instead of just sending out news releases and hosting press conferences, companies engage customers on Facebook, share cool photos on Instagram, and tweet out updates or the recent company blog post.

Expect More: Addressing MSO Challenges (Part 1)

Posted by Mark Alrutz on August 24, 2016

In my last blog, I said that multiple system operator (MSO) networks have continued to evolve, and are ripe to provide competitive and compelling services.  The robust nature of hybrid fiber coax (HFC) networks, paired with an evolving DOCSIS capability, will provide gigabit downstream services from today forward.  That said, some subscribers are in need of symmetrical service, and some are in areas planned for fiber networks

Does cell virtualization offer a peek at 5G?

Posted by Josh Adelson on August 23, 2016

Cell-virtualization-compressedIn 2015 the Next Generation Mobile Networks (NGMN) Alliance published a white paper of 5G requirements, codifying for all intents and purposes the objectives of 5G. The paper includes things like consistent user experience, higher speed, lower latency, greater spectrum efficiency and support for Internet of Things (IoT). What remains to be determined is exactly how these benefits will be delivered, and this will be the work of the 3rd Generation Partnership Project (3GPP) and other industry bodies for years to come.

Small Cell Forum rises to challenge of indoor HetNet with Release 7

Posted by Sue Monahan on August 19, 2016

Small Cell Forum Release 7(Note:  The following has been submitted as a guest post to CommScope Blogs by Sue Monahan, chief executive officer, Small Cell Forum. Opinions and comments provided in this guest post, as with all posts to CommScope Blogs, are that of the author and do not necessarily reflect the views of CommScope.)

Delivering ubiquitous, high quality mobile coverage indoors is one of the great challenges for this generation of operators. Unless this is achieved, the industry will miss out on many millions of dollars of potential revenues.

Reliable voice and data services in every corner of every building are essential to enable new operator revenue streams, such as smart cities, and to help enterprises enhance their businesses. In a recent survey of over 500 enterprises for the Small Cell Forum, 94% said indoor cellular coverage had an impact on their business.

This challenge is at the heart of the Small Cell Forum’s work program and is central to our new Release 7. This provides a technical and commercial blueprint for deploying a self-optimizing HetNet, outdoors and indoors, with today’s technologies but with a migration path to future 5G platforms too.

A Common Infrastructure for Connected and Efficient Buildings

Posted by David Beihoff on August 18, 2016

Office-sceneThis is the third post in a new blog series about intelligent buildings, based on content from the Connected and Efficient Buildings e-book.

Throughout the years, we have seen many examples of the benefits of connecting multiple building systems through a common physical infrastructure:                     

  • Ave Maria University saved over $1 million on building costs by converging 23 disparate systems on a common IP network
  • Pennzoil Place reduced energy usage by over 20% by connecting all building systems to a core IP network, enabling more attractive lease rates
  • Melbourne Sunshine Hospital reduced the cost and complexity of multiple separate cabling installations by serving all systems with a single infrastructure

While these examples clearly demonstrate the cost savings that can be achieved by integrating IT and facilities systems through a common physical layer infrastructure, there’s more to the story.

Small Footprint, Big Advantages: 4.3-10 Connectors

Posted by Pedro Torres on August 11, 2016

43-10-connector-comprAs traffic growth soars in mobile networks, operators and network infrastructure vendors face two related but distinct challenges. First, they must seek ways to improve network efficiency in an attempt to transport as much data as possible in limited spectrum. Second, they must do so while justifying capital expenditure (CapEx) and operating expenditure (OpEx) investments.

Download the white paper: Small footprint, big advantages: how 4.3-10 connectors enable the networks of tomorrow.

Our E-Band Story Includes 30,000 Antennas in the Field

Posted by Derren Oliver on August 9, 2016
Microwave-imageE-Band (71-76 GHz and 81-86 GHz) is a hot topic in the wireless backhaul industry. It is difficult to look at any trade magazine or industry blog without some reference to who has got the latest and greatest E-Band technology. Why? Because E-Band includes the higher frequency channels that enable network operators to quickly add more backhaul capacity. With ever-expanding LTE coverage needs and 5G standards in discussion, network operators need E-Band solutions as their existing backhaul networks are pushed to their limits.

Intense Development Leads to Category 8 Twisted Pair Standard

Posted by Masood Shariff on August 8, 2016


Network speeds continue to increase as the data traffic managed by data center equipment grows exponentially. In addition to speed – cost, convenience and flexible upgradability are important considerations for data center network managers. BASE-T applications using balanced twisted pair structured cabling have been very popular in the past starting with 10BASE-T (10 MB) up to 10GBASE-T (10 GB) data throughput for both data center and enterprise networks. The 25GBASE-T and 40GBASE-T standards increase the data throughput capacity to 25 GB and 40 GB respectively, using Category 8 balanced twisted pair cabling

Category 8 cabling quadruples the specified bandwidth of balanced twisted pair cabling from 500 MHz to 2000 MHz. This quadrupling of cabling bandwidth is utilized by the 40GBASE-T application to quadruple the previous maximum BASE-T data rate of 10 GB to a new maximum of 40 GB. The higher data rate was achieved while preserving backward compatibility, standardized RJ45 interfaces and cabling that is very similar to previous categories in size and installation practices. These higher data rates are supported over a maximum reach of 30 meters of cabling with two connections sufficient to serve a row of 20 cabinets or racks in equipment rooms or data centers.

CommScope Definitions: What is Silicon Photonics?

Posted by Luc Adriaenssens on August 5, 2016

Silicon Photonics

This blog post is part of a series called “CommScope Definitions,” in which we will explain common terms in communications network infrastructure.

Silicon photonics (SiPh) is a technology that involves data being transferred among computer chips by optical rays. On the surface, it seems simple, but it can actually be difficult to understand. Perhaps it is best to compare it to an electrical circuit. 

In the early days of electrical circuits, there were discrete components (e.g., transistors, capacitors, resistors, etc.) that were connected with traces on a printed circuit board.  In order to reduce size and cost, many discrete components were formed adjacently and interconnected on a single silicon substrate to create integrated circuits (i.e. chips).  Over time, the types of components that could be formed on chips continued to expand while their size and power consumption shrank at dramatic rates (per Moore’s law).  We now have billions of interconnected components per chip, each at a negligible cost.

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