Technological Trends in Mobile Access Systems
نویسندگان
چکیده
The amount of mobile data traffic is more than doubling each year because of the increase in mobile video traffic and spread of smartphones. Although a recent survey has predicted that the annual rate of increase in global mobile traffic will gradually slow in the future, we have to develop effective technologies to cope with this continuously growing amount of mobile data traffic. The Long Term Evolution (LTE) system, which offers higher speed and greater capacity than the 3G system, launched a commercial service in Japan and other countries to deal with the growing mobile data traffic. This paper describes the technological trends in the LTE mobile access system, and introduces an LTE macro base station (eNode B equipment) and LTE femto base station that are under development. It also describes the technological trends in an LTE-Advanced mobile access system which is an enhanced version of LTE and which is expected to be put to practical use in the near future after 2014.
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