Title :
System architecture for mobile communications systems beyond IMT-2000
Author :
Otsu, Toru ; Umeda, Narumi ; Yamao, Yasushi
Author_Institution :
NTT DoCoMo Inc., Kanagawa, Japan
Abstract :
This paper presents a system architecture for mobile communications systems beyond IMT-2000 (4G system). Considering the growth of data communications through mobile networks, the 4G system should offer higher bit rate channels and accommodate a significantly larger amount of traffic. To meet these requirements, the 4G system may use higher frequency bands. This paper first considers objectives of the 4G system and it proposes a system architecture that meets the objectives. The architecture proposed in this paper comprises core networks that will accommodate multiple types of radio access networks (RAN). The 4G RAN is constructed by distributed controlled base stations that are connected to each other by a multi-hop wireless network
Keywords :
data communication; distributed control; mobile computing; mobile radio; packet radio networks; radio access networks; telecommunication control; telecommunication traffic; 4G RAN; IMT-2000; base stations; data communications; distributed control; higher bit rate channels; mobile Internet; mobile communications systems; mobile networks; multi-hop wireless network; radio access networks; system architecture; traffic; 4G mobile communication; Base stations; Bit rate; Data communication; Distributed control; Frequency; Mobile communication; Radio access networks; Spread spectrum communication; Telecommunication traffic;
Conference_Titel :
Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE
Conference_Location :
San Antonio, TX
Print_ISBN :
0-7803-7206-9
DOI :
10.1109/GLOCOM.2001.965175
