Title :
Band distribution between uplink and downlink in CDMA satellite mobile networks
Author :
Marano, S. ; Mastroianni, C. ; Pizzuto, G.
Author_Institution :
DEIS, Calabria Univ., Italy
Abstract :
In this paper we model the performance of a LEO satellite system with “m” classes of traffic source (heterogeneous services). Each class is defined by different resource and performance requirements, characterized by different bit rates on the uplink and downlink; and different QoS parameters. The CDMA (code division multiple access) multiple access scheme is used and a mobility model is adopted to represent the relative motion of mobile terminals over the satellite spot beams. We investigate the blocking behavior of each traffic class in the network and consider the impact of sub-optimal re-distribution of band resources between the uplink and downlink. Software for the simulation of LEO system has been developed and the results from simulation study of a three traffic class example are shown
Keywords :
cellular radio; code division multiple access; frequency allocation; mobile satellite communication; telecommunication traffic; CDMA satellite mobile networks; LEO satellite system; band distribution; band resources; bit rates; blocking behavior; code division multiple access; downlink; heterogeneous service; mobile terminals; mobility model; satellite spot beams; sub-optimal re-distribution; traffic source; uplink; 3G mobile communication; Bandwidth; Bit rate; Downlink; Intelligent networks; Low earth orbit satellites; Multiaccess communication; Satellite broadcasting; Telecommunication traffic; Traffic control;
Conference_Titel :
Global Telecommunications Conference, 1998. GLOBECOM 1998. The Bridge to Global Integration. IEEE
Conference_Location :
Sydney,NSW
Print_ISBN :
0-7803-4984-9
DOI :
10.1109/GLOCOM.1998.775978
