Title :
Adaptive networks for UMTS-an investigation of bunched basestations
Author :
Spilling, A.G. ; Nix, A.R. ; Fitton, M.P. ; VanEijl, C.
Author_Institution :
Centre of Commun. Res., Bristol Univ., UK
Abstract :
This paper looks at a new method of handling the expected traffic fluctuation in a microcellular and picocellular environment. The bunch concept, which is introduced in the UMTS proposal, is investigated under various traffic conditions. Its performance in traffic hot-spots is compared to that of a conventional microcellular network. The results show that the outage probability is dramatically reduced with the use of distributed antennas. The use of distributed antennas in the bunch concept also increases the capacity. With 8 extra antennas covering the same area as one basestation, the capacity can be increased by as much as 400 %
Keywords :
adaptive systems; antennas; channel capacity; digital simulation; microcellular radio; picocellular radio; probability; radio networks; telecommunication traffic; UMTS; adaptive networks; air interface access techniques; bunched basestations; capacity analysis; distributed antennas; microcellular environment; microcellular network; network simulation; outage probability reduction; performance; picocellular environment; radio resource management; traffic conditions; traffic fluctuation; traffic hot-spots; 3G mobile communication; Adaptive systems; Bit rate; Broadband antennas; Capacity planning; Centralized control; Cities and towns; Fluctuations; Resource management; Telecommunication traffic;
Conference_Titel :
Vehicular Technology Conference, 1999 IEEE 49th
Conference_Location :
Houston, TX
Print_ISBN :
0-7803-5565-2
DOI :
10.1109/VETEC.1999.778117
