Weijing Qi

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Space information network is a kind of delay-tolerant networks. Recently, with possible participation of many network nodes, maintaining efficient and dynamic topology becomes crucial. In space information networks, the underlying topology is lack of continuous connectivity, and has the drawbacks of network segmentation, long delay and unreliable(More)
To make full use of space/air resources, a Space-Air Integrated Network (SAIN) which is a hierarchical network with satellites, airships and hovering Unmanned Aerial Vehicles (UAVs) is constructed. Nowadays, Free Space Optical (FSO) links have been widely applied in SAINs since they provide high-rate and large-capacity data transmission.(More)
Animation rendering aims to transform a digital design into a vivid cartoon. To achieve a high-quality animation in the short term, the cloud rendering was presented through consolidating Data Center (DC) resources. Since DCs are far away from each other due to the space limitation, the cloud rendering will run over the Optical Data Center Network (ODCN)(More)
The elastic optical network (EON) provides fine-grained and orthogonal spectrum slots for the establishment of the elastic connection using orthogonal frequency division multiplexing (OFDM). Currently, the EON interconnection has realized the high-rate transmission among data centers (DCs). With the implementation of cloud DCs (CDCs) and EON virtualization,(More)
An integrated space/air information network is a convergence of satellite communication networks in space regions and aircraft communication networks in air regions. It supports direct internal information interactions. Along with the extensive application of the integrated space/air information network especially in military fields, its routing problem(More)
The aerospace-based communications can be managed more efficiently through the construction of an integrated space/air information network by the convergence of satellite (space) and unmanned aerial vehicle (air) networks. Such an integrated network would best fit the advent of delay- and disruption-tolerant networking, in which the data transmission can(More)
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