LEO卫星网络海量遥感数据下行的负载均衡多径路由算法

doi:10.11959/j.issn.1000-436x.2017246

Abstract

Abstract:

LEO satellite networks can provide seamless real-time data communication for all kinds of users,which developed rapidly in recent years.At the mean time,the massive payload data down-link system of space data sources,such as remote sensing satellites,still make use of traditional storage and forward mode.The real-time performance of space mission data will be improved effectively,if such satellites are connected to LEO satellite networks equipped with inter satellite links.However,it is necessary to design a specialized satellite network load balancing routing algorithm.Satellite parallel edge-disjoint multipath routing protocol (SPEMR) was designed for remote sensing satellite real-time down-link applications.OPNET simulation results indicate that the performance degradation index(DI) of the multipath scheme implemented by SPEMR is 0.32,which is only 32% of the TLR and 21% of the traditional DSP scheme.It is demonstrated that SPEMR has the better capability of transmitting massive data in real time.

Key words: LEO, satellite network, multipath, remote sensing, routing

CLC Number:

TN927

Pei-long LIU,Hong-yu CHEN,Song-jie WEI,Hao CHENG,Shuai LI,Jun-yong WANG. Load balancing multipath routing protocol for mass remote sensing data downlink in LEO satellite network[J]. Journal on Communications, 2017, 38(Z1): 135-142.

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References 14

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Load balancing multipath routing protocol for mass remote sensing data downlink in LEO satellite network

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