Title :
Performance analysis of networks of low-earth-orbit satellites with integrated voice/data traffic
Author :
Yang, Wen-Bin ; Geraniotis, Evaggelos
Author_Institution :
Center for Satellite & Hybrid Commun. Networks, Maryland Univ., College Park, MD, USA
Abstract :
The uplinks and downlinks of all satellites in the network considered use Code-Division Multiple-Access (CDMA) with direct-sequence spread-spectrum (DS/SS) signaling. Double coverage is assumed (i.e., two satellites are in sight of all users at all times) and this is explored to mitigate the effects of shadowing on voice and data users. The performance measures of the LEO system evaluated are the average blocking probability and the average throughput of voice traffic as well as the average throughput of data traffic. In analysis the effects of CDMA on packet reception are described by both a threshold model and a graceful degradation model
Keywords :
code division multiple access; data communication; packet radio networks; pseudonoise codes; satellite links; spread spectrum communication; telecommunication signalling; telecommunication traffic; voice communication; CDMA; average blocking probability; average throughput; direct sequence spread spectrum signalling; graceful degradation model; integrated voice/data traffic; networks of low-earth-orbit satellites; packet reception; performance measures; shadowing; threshold model; Artificial satellites; Downlink; Low earth orbit satellites; Multiaccess communication; Performance analysis; Speech analysis; Spread spectrum communication; Telecommunication traffic; Throughput; Traffic control;
Conference_Titel :
Military Communications Conference, 1993. MILCOM '93. Conference record. Communications on the Move., IEEE
Conference_Location :
Boston, MA
Print_ISBN :
0-7803-0953-7
DOI :
10.1109/MILCOM.1993.408675
