IMT-A zahtjevi All IP mreže

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Presentation transcript:

IMT-A zahtjevi All IP mreže Interoperabilnost sa već postojećim standardima Nominalna brzina prenosa podataka od 100 Mb/s za korisnike sa većom mobilnošću i 1 Gb/s za korisnike izuzetno male mobilnosti. Dinamičko dijeljenje i korišćenje mrežnih resursa za podršku što više simultanih korisnika po ćeliji. Maksimalna spektralna efikasnost od 15 b/s/Hz na downlinku i 6,75 b/s/Hz na uplinku Seamless konektivnost i globalni roaming sa smooth (glatkim) handover-om

IMT-A ključne tehnike MIMO (Multiple Input Multiple Output) tehnike OFDM (Orthogonal Frequency Division Multiplexing) i OFDMA (Orthogonal Frequency Division Multiplexing Access) Relay-ing Kooperativna transmisija (Cooperative transmission)

LTE-A arhitektura

LTE-A arhitektura UE – User Equipment eNB – Evolved Node B EPC - Evolved Packet Core MME – Mobilty Management Entity PCRF - Policy Control and Charging Rules Function PDN GW - packet data network gateway S GW – Serving gateway