4generation

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4generation

  1. 1. 4G VSU
  2. 2. - Basic concepts - Development - Problems - Content
  3. 3. •-1G - analog cellular networks, 1970s •-2G - network digital transmission data 1980s •-3G - based on CDMA, 2000s •-4G - IP-based protocol, since 2010
  4. 4. Wi-Fi WiMAX 4G
  5. 5. LTE project Operators: • T-Mobile International • Orange • Vodafone Group Manufacturers of mobile equipment: • Alcatel-Lucent • Nokia Siemens Networks • Nortel Networks • Ericsson
  6. 6. Problems
  7. 7. Content
  8. 8. 4G e-mail: tel:

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