An optimized routing scheme and a channel reservation strategy for a low Earth orbit satellite system

Author

Tam, Peter T S ; Lui, John C S ; Chan, H.W. ; Sze, Cliff C N ; Sze, C.N.

Author_Institution

Dept. of Comput. Sci. & Eng, City Univ. of Hong Kong, Hong Kong

Volume

5

fYear

1999

fDate

1999

Firstpage

2870

Abstract

Routing in low-Earth-orbit (LEO) satellite systems involves the choice of intersatellite links (ISL) that connect two home satellites of the mobile terminals. We use a mesh model to formulate the LEO system and proposed a mesh-based routing scheme in order to reduce the new call blocking probability and the forced termination probability. Also, due to the dynamic topology of the LEO system, the route is subject to disconnection because of a route breaking event, such as a connection handover event or a link handover event. We propose a channel reservation strategy in order to safeguard the continuity of a route. The objective is to reduce the forced termination rate. Simulation is carried out to show the effectiveness of the routing scheme and the reservation strategy

Keywords

channel allocation; mobile satellite communication; network topology; optimisation; probability; satellite links; telecommunication congestion control; telecommunication network routing; ISL; LEO satellite systems; call blocking probability; channel reservation strategy; connection handover event; dynamic topology; forced termination probability; intersatellite links; link handover event; low-Earth-orbit satellite systems; mesh model; mobile terminals; optimized routing; route breaking event; route continuity; simulation; Artificial satellites; Computer science; Data communication; Earthquakes; Low earth orbit satellites; Mobile computing; Power system reliability; Routing; Throughput; Topology;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 1999. VTC 1999 - Fall. IEEE VTS 50th

Conference_Location

Amsterdam

ISSN

1090-3038

Print_ISBN

0-7803-5435-4

Type

conf

DOI

10.1109/VETECF.1999.800311

Filename

800311