By William I. Orr, Stuart D. Cowan
This authoritative guide covers the layout, development, set up, and operation of fifty two vertical antennas.
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3 General Requirements The trends in mobile applications and services that were discussed in the last section are expected to impose new requirements on service levels. These will be explained and discussed next. 1 Capacity Requirements There is a general consensus in the industry that recent data‐traffic growth trends will continue into the future. 9 . On NTT’s DOCOMO network in Japan, mobile data traffic almost doubled during 2010 and a 12‐fold traffic increase is expected between 2011 and 2015 .
As the number of mobile devices continues to increase, it becomes important to take advantage of the physical proximity of communicating devices and provide proximity services, such as social networking and proximity‐based multiplayer games. To this end, peer‐to‐peer discovery and communication becomes an important enabler of such services. Such features will also enable new services, for example allowing direct communication between devices when the network is damaged in the aftermath of a natural disaster.
Together these represent local and personal network structures, using a multitude of devices and network access modes. Vertical business segments are the new drivers of technology, envisaging the use of a unified wireless and wired telecommunication network for a high variety of services. This will require a telecom platform with flexible and adaptive performance as a basic enabler for new service provision. Looking to the requirements of the new networks, we see that a 5G network is more than a new air interface.