Title :
Performance evaluation of channel assignment strategies and handover policies for satellite mobile networks
Author :
Santos, V. ; Silva, R. ; Dinis, M. ; Neves, José
Author_Institution :
Inst. de Telecomunicacocs, Aveiro Univ., Portugal
Abstract :
The performance of several channel assignment strategies for a LEO polar satellite constellation is evaluated. Fixed channel allocation (FCA) and two types of dynamic channel allocation (DCA) are considered. Its advantages and disadvantages are highlighted. Moreover, the handover process implications in the call blocking and dropping probability is assessed via simulation. Strategies that are able to cope with the high number of handovers, due to the high speed of the satellites, without affecting strongly the capacity of the system are investigated. Simulation models have been developed to implement all the features evaluated including a mobility model. An analytical description and interpretation is also presented
Keywords :
digital simulation; frequency allocation; mobile satellite communication; probability; simulation; DCA; FCA; LEO polar satellite constellation; call blocking probability; call dropping probability; dynamic channel allocation; fixed channel allocation; handover policies; mobility model; performance evaluation; satellite mobile networks; simulation models; Artificial satellites; Channel allocation; Communication industry; Low earth orbit satellites; Mobile communication; Research and development; Resource management; Satellite constellations; Telecommunication traffic; Traffic control;
Conference_Titel :
Universal Personal Communications. 1995. Record., 1995 Fourth IEEE International Conference on
Conference_Location :
Tokyo
Print_ISBN :
0-7803-2955-4
DOI :
10.1109/ICUPC.1995.496865
