gravity acceleration data have grand pursuit for marine applications. due to environmental effects, marine gravity observations always hold a high noise level. in this paper, we propose an approach to produce marine gravity data using satellite altimetry, high-resolution geopotential models and harmonic splines. on the one hand, harmonic spline functions have great capability for local gravity ...

This paper emphasises on the implementation of the flow control and resource allocation mechanisms of the Medium Access Control (MAC) layer of GPRS. Also, its design for adaptability to the satellite network has been considered. In addition, the two systems have been compared in terms of transmission-time, for different data sizes. The results obtained show a lot of promise for satellite based ...

This paper reports about the work of the 2003/2004 MSK2 project [1] at Ilmenau Technical University on streaming satellite services for In-Flight Entertainment (IFE). A simulation model was developed for planning, performance estimation and capacity dimensioning of satellite systems offering streaming services in long-haul aircraft flight scenarios. We focus on simulation aspect and describe in...

Routing algorithm plays a critical role in determining the performance and reliability of a satellite network. Since the resources in satellite networks are constrained, it is a big challenge to find paths that satisfy all QoS requirements in a low cost for satellite network users. In this paper, a novel routing scheme together with two multi objective optimization routing algorithms-prior orde...

This paper describes the network architecture of an Asiawide satellite Internet that considers the situations in developing regions. The design considerations for the architecture are costs, effective use of satellite bandwidth, scalability, and routing strategy when combined with terrestrial links. The architecture includes using one-way shared satellite links to reduce costs, IP multicast to ...