October 14, 2019

CHOOSING THE RIGHT IN-BUILDING WIRELESS SOLUTION FOR MY BUILDING

Step 1: Realizing that you need an in-building wireless system (IBW) in your building. COMPLETE!

Step 2: Deciding which IBW solution you need.

With multiple IBW options to choose from, it can be overwhelming trying to understand which one would best fit your building.  DAS or D-RAN? What’s the difference between the two? Which one should I choose?

We made it easy for you.

KEY DIFFERENCES BETWEEN DAS & D-RAN

DASD-RAN
Head-EndHigher space, power & cooling requirements.Lower space, power & cooling requirements.
IDF-RemoteLower space, power & cooling requirements.Higher space, power & cooling requirements; likely no battery back-up
Fiber~2-4 strands to each remote node typical~16-32+ strands to each radio node typical
CostHigher for venues with low user/capacity densityLower for venues with high user/capacity density*Lower for venues with low user/capacity densityHigher for venues with high user/capacity density
Neutral HostYes.  Better when deploying >2 operators and/or  >2 frequency bandsYes.  Better when deploying 1-2 operators and/or  1-2 frequency bands
CapacityGenerally fewer sectors, but greater amount of spectrum.Generally more sectors, but a smaller amount of spectrum.
ExpandabilityEasier to add bands/operators.Space, power, cooling constraints may limit capability

*assumes local, ac power available

DAS has carrier equipment and radios centrally located in the headend which feeds into third-party DAS equipment that shares remote amplifiers distributed throughout the facility.

D-RAN removes the third-party equipment and distributes the carrier radios throughout the facility in place of the third-party radios.

The biggest difference between DAS & D-RAN is where the majority of the carrier-specific equipment is located, (i.e., headend and/or IDF).

As a venue owner you want to ask yourself, “What kind of user density and data traffic capacity does my venue require?  Do I have the right space available to accommodate either a DAS or DRAN solution?  Do I have and/or am I willing to give up a large central “data center” type room?  Is my IDF/riser closet space and power limited?