ISDN, EDSL and UMTS are the focal points of today's communication technologies. It is has been estimated that over four billion people worldwide will be using a wireless multimedia connection by the year 2020.

  • Video conferences,
  • video telephone,
  • interactive entertainment,
  • Internet access,
  • financial services,
  • e-mail and voice mail,
  • e-commerce and
  • general communication

already enjoy widespread use as communication media. With larger and faster data transmissions, wireless multimedia connections will become even more attractive to use.


In order to ensure that every user worldwide will have the opportunity to utilize the various communication options, a broad-based cell network structure is required that can be adapted to a given population density, frequency usage and transmission power.




Read more... PDF



We use cookies

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.