cube macro cell site cabinet solutions - charles · pdf file · 2015-02-19contact...

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Charles Industries, Ltd. 1 CUBE Macro Cell Site Cabinet Solutions Dominic Imbrogno Sr. Director, Active Electronic Enclosures and Wireless Product Solutions Demand for greater bandwidth for mobile data traffic continues to advance at breakneck pace. To address the demand and provide users with the best experience, wireless carriers are feverishly building network infrastructure by leveraging newly available spectrum to install small and macro cells. Charles has been working closely with carriers during the planning and implementation stages of this infrastructure build out phase, particularly in the areas of enclosure design and fiber management. Our extensive background as an innovative enclosed solutions provider as well as fiber management provides an ideal canvas on which to create new solutions for the changing requirements at the cell site. Traditionally, carriers have built macro cells using a common collection of equipment including a power plant to power all the equipment at the site, battery backup in the event of power outages, Baseband Units (BBUs) for various radio frequencies to interface with the Remote Radio Heads (RRHs), a router for aggregating and backhauling traffic, fiber backhaul mux, fiber management equipment and Over Voltage Protection (OVP) to protect equipment against electrical surges. Carriers lease a fiber backhaul service and tie the traffic back to hub sites or a Mobile Switching Center (MSC). All of this equipment is commonly stored in a shelter where technicians have access and perform maintenance. With the emphasis to get new sites deployed, carriers have increasingly run into the problem of identifying where to place new sites. To address some of the bandwidth demand, small cells are being deployed. However, small cells are but one part of the solution. Simply put, the need for macro cells persists. While shelters provide environmental protection, their large size presents real estate and installation challenges, especially as the number of sites increases. Municipalities provide stiff opposition to placement of sites that inhibit views or visually contaminate the landscape. Therefore, alternate deployment scenarios outside of shelters are being developed. CRAN is a relatively new architecture which leverages dark fiber to enable physically smaller cell sites by reducing the amount of network equipment required at the site. By leveraging dark fiber, BBUs can be placed remotely where they can interface with their RRHs over CIPRI communication protocol. In this fashion, carriers are able to move BBUs and routers from the cell site to a centralized location. At the same time, using dark fiber eliminates the need for fiber backhaul equipment. The result is a significantly reduced overall footprint. Therefore, a large shelter solution is no longer needed, as it now represents a valuable real estate and capital expense savings. Remaining equipment can be placed in an electronic cabinet in a much smaller and more economical deployment. How is this achieved you might ask? Let’s take a closer look.

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Page 1: CUBE Macro Cell Site Cabinet Solutions - Charles · PDF file · 2015-02-19Contact Charles today at 847‐806‐6300 to learn more about CUBE Macro Cell Site Cabinet Solutions and

Charles Industries, Ltd.                                                                                                                                                 1  

  

CUBE Macro Cell Site Cabinet Solutions Dominic Imbrogno 

Sr. Director, Active Electronic Enclosures and Wireless Product Solutions  Demand  for  greater  bandwidth  for  mobile  data  traffic  continues  to  advance  at  breakneck  pace.               To  address  the  demand  and  provide  users with  the  best  experience, wireless  carriers  are  feverishly building network infrastructure by leveraging newly available spectrum to install small and macro cells.    Charles has been working closely with carriers during  the planning and  implementation  stages of  this infrastructure  build  out  phase,  particularly  in  the  areas  of  enclosure  design  and  fiber management.      Our extensive background as an  innovative enclosed  solutions provider as well as  fiber management provides an ideal canvas on which to create new solutions for the changing requirements at the cell site.  Traditionally, carriers have built macro cells using a common collection of equipment including a power plant to power all the equipment at the site, battery backup  in the event of power outages, Baseband Units (BBUs) for various radio frequencies to interface with the Remote Radio Heads (RRHs), a router for aggregating and backhauling traffic, fiber backhaul mux, fiber management equipment and Over Voltage Protection (OVP) to protect equipment against electrical surges. Carriers  lease a fiber backhaul service and  tie  the  traffic  back  to  hub  sites  or  a Mobile  Switching  Center  (MSC).  All  of  this  equipment  is commonly stored in a shelter where technicians have access and perform maintenance.    With  the  emphasis  to  get  new  sites  deployed,  carriers  have  increasingly  run  into  the  problem  of identifying where to place new sites. To address some of the bandwidth demand, small cells are being deployed. However, small cells are but one part of  the solution. Simply put,  the need  for macro cells persists.    While  shelters provide environmental protection,  their  large  size presents  real estate and  installation challenges,  especially  as  the  number  of  sites  increases.  Municipalities  provide  stiff  opposition  to placement  of  sites  that  inhibit  views  or  visually  contaminate  the  landscape.  Therefore,  alternate deployment scenarios outside of shelters are being developed.  CRAN is a relatively new architecture which leverages dark fiber to enable physically smaller cell sites by reducing the amount of network equipment required at the site. By leveraging dark fiber, BBUs can be placed  remotely where  they can  interface with  their RRHs over CIPRI communication protocol.  In  this fashion, carriers are able to move BBUs and routers from the cell site to a centralized  location. At the same  time,  using  dark  fiber  eliminates  the  need  for  fiber  backhaul  equipment.  The  result  is  a significantly reduced overall footprint. Therefore, a large shelter solution is no longer needed, as it now represents a valuable real estate and capital expense savings. Remaining equipment can be placed in an electronic cabinet in a much smaller and more economical deployment. How is this achieved you might ask?  Let’s take a closer look.   

Page 2: CUBE Macro Cell Site Cabinet Solutions - Charles · PDF file · 2015-02-19Contact Charles today at 847‐806‐6300 to learn more about CUBE Macro Cell Site Cabinet Solutions and

Charles Industries, Ltd.                                                                                                                                                 2  

The remaining equipment at the cell site consists of the power plant, batteries, fiber management and OVP.  Depending  upon  the  number  of  frequencies  (technologies)  being  installed  and  the  amount  of battery backup  that  is required, one or more cabinets may be  required.  In many cases,  the necessary deployment can be done with a single cabinet. For larger sites, two cabinets may be required.    While the CRAN evolution is likely to gradually occur, initial deployments are already taking place which reduce the overall deployed footprint significantly. One challenge which inhibits a faster migration is the fact that dark fiber is not yet available in many areas. Without it, it is not possible to eliminate all of the equipment  immediately.  Therefore  solutions  are  being  created  to  support  the  necessary  equipment today,  but with  an  eye  towards  the  future.  This  implies  different  needs  from  a  space  and  thermal management standpoint, as some BBU and Router gear is not temperature hardened.    Charles Universal Broadband Enclosure (CUBE) solution set boasts an impressive and expansive array of solutions which are actively being deployed by many carriers today. Within this family there are three main families which are  ideally suited to macro site deployment: the Site Support, Battery Backup and PM639 Equipment Cabinets.   Each of these enclosures  is 73”H x 32”W x 32”D and  is designed to align with one another  for side‐by‐side deployment.   Depending upon  the site, a single standalone solution may  be  required.  For  other  sites,  two  enclosures may  be  combined  to  provide  adequate  space  for everything that is needed at a site.    Site Support Cabinets Charles Site Support cabinets allow wireless carriers to install highly efficient rectifiers and the latest in battery  technologies  in  durable,  robust  and GR‐487  compliant  enclosures. With  support  for VRLA  or     Ni‐Cd  batteries,  various  rectifier  and  power  distribution  options,  and  thermal management  options; Charles'  site  support  cabinets  protect  network  integrity  with  an  environmentally  friendly,  energy efficient  solution. Charles has  relationships with all major  telecom power  suppliers and  can  integrate specific power solutions as required. All site support cabinets  feature  front and rear access doors and 23” fixed mounting rails. 

         

Page 3: CUBE Macro Cell Site Cabinet Solutions - Charles · PDF file · 2015-02-19Contact Charles today at 847‐806‐6300 to learn more about CUBE Macro Cell Site Cabinet Solutions and

Charles Industries, Ltd.                                                                                                                                                 3  

BBU Charles Battery Backup solutions are rugged outdoor cabinets that comply with GR‐487 and support up to  (10)  strings  of  24VDC  or  (5)  strings  of  48VDC  batteries.  Importantly,  the  battery  trays  have  been constructed in such a manner to support both VRLA as well as Ni‐Cd battery technologies. All CUBE‐BB cabinets feature front and rear access doors. 

              Equipment Cabinets Charles PM639 Equipment cabinets are rugged outdoor pad mount cabinets  that comply with GR‐487 and support up to 39 RU of equipment mounting space. Equipment cabinets are pad mount and possess front  and  rear  doors,  various  thermal management  options,  AC  power  termination  and  integrated rectifiers. A battery compartment that supports 180Ah Saft Ni‐Cd or 155Ah VRLA batteries is located at the bottom of the cabinet.  

          

                 

Page 4: CUBE Macro Cell Site Cabinet Solutions - Charles · PDF file · 2015-02-19Contact Charles today at 847‐806‐6300 to learn more about CUBE Macro Cell Site Cabinet Solutions and

Charles Industries, Ltd.                                                                                                                                                 4  

Recommended Go Forward Solutions  Depending upon  site  requirements one or more of  the above  cabinets may be utilized  to deploy  the future macro cells. In a single cabinet configuration, the total footprint (including door swing) is reduced to 3’ x 6’. Adding a second cabinet increases the footprint to 6’x6’.  Common configurations include:  

Site Support Cabinet (Ideal for small site) 

Equipment Cabinet with Battery Cabinet (For larger site with integrated OVP) 

Site Support Cabinet with Battery Cabinet (For larger site without integrated OVP)  Contact Charles today at 847‐806‐6300 to learn more about CUBE Macro Cell Site Cabinet Solutions and how we can help design your future cell site!  _____________________________________________________________________________________   

  Charles complete  line of CUBE Cabinets  includes GR‐487 and NEMA 4X (sealed cabinets) or 3R (vented cabinets) rated solutions for: 

Wireless Backhaul 

Site Support 

Small Cell / Pico Cell 

Fiber to the Node (DSLAM) 

Base Transceiver Station 

Ethernet / GPON / RFoG 

Automatic Meter Reading 

OEM    Charles Industries, Ltd.  •  5600 Apollo Drive, Rolling Meadows IL  •   www.charlesindustries.com  •  (847) 806‐6300 

INNOVATIVE ENCLOSED SOLUTIONS™