In order to deal with the isolated spots that have poor network coverage inside a large building, a network of small antennas are usually installed in the building to serve as repeaters. This is known as the distributed antenna system (cellular DAS). The technology is very important in the areas that have a weak coverage or no coverage, such as the underground transportation system, and college campuses. It also offers a suitable solution in places with large gathering where the existing network coverage is overwhelmed by the demand such as in the sport gatherings, airports, and hospitals among others that are common in the Raleigh city.
In order to increase the signal reliability while reducing the total power required doing so, the DAS installation is made of a network consisting of several antenna nodes that are separately installed. The nodes are then connected to a single common source using fiber or a coaxial cable. This means that power is transmitted among several antenna elements which in turn reduces the power consumption and increases the network signal reliability.
The additional antennas mean better network coverage. The additional antennas are able to increase the line-of-sight channel that is responsible for a better network coverage. In normal systems, the provision of the cellular signals can be very power consuming since the system has to overcome the shadowing effect and penetration problems all which lead to the loss of signal.
The DAS antenna node are very compact. As such, they can be deployed indoors and even outside. In addition to this, they are smaller in size and require less power allowing them to be installed in the areas where the zoning restriction don't allow the cell towers to be placed. In fact, it can be tied to a given wireless carrier such as Verizon or AT&T. The best option, however, is the use of a neutral-host provider that has a multiple carriers.
In any DAS project, the deployment stage is the most expensive. This is mainly due to the labor intensive process of antenna installation and stinging the coaxial cable or the fiber optic in between the antenna modules and the controller.
The installation purpose, the industry players usually prefer long contracts as direct installation is quite expensive. The ten year contract, for instance, has become the industry norm.
However, in the case of a carrier-owned DAS, the wireless service provider is the one to pay for the cost of equipment, the equipment installation cost, and the maintenance and upgrade of the same. The installer, in this case, has the exclusive rights on the system. As such, the competitors have to pay the installer to use it. In some cases, the installation is done by a third party entity that bears all the costs and recoups the cost by charging the service providers in order to get the system access.
The technology comes with the main advantage of less power consumption in network boosting. It is also associated with ease of zoning and antenna placement, reduced site development planning, and reduced number of the BTS (Simulcast reduces Backhaul needs).
In order to increase the signal reliability while reducing the total power required doing so, the DAS installation is made of a network consisting of several antenna nodes that are separately installed. The nodes are then connected to a single common source using fiber or a coaxial cable. This means that power is transmitted among several antenna elements which in turn reduces the power consumption and increases the network signal reliability.
The additional antennas mean better network coverage. The additional antennas are able to increase the line-of-sight channel that is responsible for a better network coverage. In normal systems, the provision of the cellular signals can be very power consuming since the system has to overcome the shadowing effect and penetration problems all which lead to the loss of signal.
The DAS antenna node are very compact. As such, they can be deployed indoors and even outside. In addition to this, they are smaller in size and require less power allowing them to be installed in the areas where the zoning restriction don't allow the cell towers to be placed. In fact, it can be tied to a given wireless carrier such as Verizon or AT&T. The best option, however, is the use of a neutral-host provider that has a multiple carriers.
In any DAS project, the deployment stage is the most expensive. This is mainly due to the labor intensive process of antenna installation and stinging the coaxial cable or the fiber optic in between the antenna modules and the controller.
The installation purpose, the industry players usually prefer long contracts as direct installation is quite expensive. The ten year contract, for instance, has become the industry norm.
However, in the case of a carrier-owned DAS, the wireless service provider is the one to pay for the cost of equipment, the equipment installation cost, and the maintenance and upgrade of the same. The installer, in this case, has the exclusive rights on the system. As such, the competitors have to pay the installer to use it. In some cases, the installation is done by a third party entity that bears all the costs and recoups the cost by charging the service providers in order to get the system access.
The technology comes with the main advantage of less power consumption in network boosting. It is also associated with ease of zoning and antenna placement, reduced site development planning, and reduced number of the BTS (Simulcast reduces Backhaul needs).
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