2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop最新文献

Prediction of performance of the DVB-SH system relying on Mutual Information 基于互信息的DVB-SH系统性能预测

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586893

W. Chauvet, Caroline Amiot-Bazile, J. Lacan

{"title":"Prediction of performance of the DVB-SH system relying on Mutual Information","authors":"W. Chauvet, Caroline Amiot-Bazile, J. Lacan","doi":"10.1109/ASMS-SPSC.2010.5586893","DOIUrl":"https://doi.org/10.1109/ASMS-SPSC.2010.5586893","url":null,"abstract":"DVB-SH (Digital Video Broadcasting- Satellite Handled) is a broadcasting standard dedicated to hybrid broadcasting systems combining a satellite and a terrestrial part. On the satellite part, dedicated interleaving and time slicing mechanisms are proposed to mitigate the effects of Land Mobile Satellite (LMS) channel, based on a convolutional interleaver. Depending on the parameters of this interleaver, this mechanism enables to split in time a codeword on duration from 100 ms to about 30s. This mechanism significantly improves the error recovery performance of the code but in literature, exact evaluation at system level of this improvement is missing. The objective of this paper is to propose a prediction method compatible with fast simulations, to quantitatively evaluate the system performance in terms of Packet Error Rate (PER). The main difficulty is to evaluate the decoding probability of a codeword submitted to several levels of attenuation. The method we propose consists in using as metric the Mutual Information (MI) between coded bit at the emitter side and the received symbol. It is shown that, by averaging the MI over the codeword and by using the decoding performance function g such that PER=g(MI) determined on the Gaussian channel, we can significantly improve the precision of the prediction compared to the two other methods based on SNR and Bit Error Rate (BER). We evaluated these methods on three artificial channels where each codeword is transmitted with three or four different levels of attenuations. The prediction error of the SNR-based (resp. the input BER-based) method varies from 0.5 to 1.7 dB (resp. from 0.7 to 1.2 dB) instead of the MI-based method achieves a precision in the order of 0.1 dB in the three cases. We then evaluate this method on real LMS channels with various DVB-SH interleavers and show that the instantaneous PER can also be predicted with high accuracy.","PeriodicalId":221214,"journal":{"name":"2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop","volume":"289 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121827278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 18

Analysis of interference issues in Integrated Satellite and Terrestrial Mobile Systems 卫星与地面综合移动系统的干扰问题分析

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586925

V. Deslandes, J. Tronc, A. Beylot

{"title":"Analysis of interference issues in Integrated Satellite and Terrestrial Mobile Systems","authors":"V. Deslandes, J. Tronc, A. Beylot","doi":"10.1109/ASMS-SPSC.2010.5586925","DOIUrl":"https://doi.org/10.1109/ASMS-SPSC.2010.5586925","url":null,"abstract":"The recent emergence of satellite and terrestrial integrated mobile systems raises new challenges for interference coordination between satellite and terrestrial users. The terrestrial component aims at improving the satellite coverage in highly populated areas where satellite communications often suffer from a high blocking factor caused by the buildings. The term “integrated system” refers to a system composed of a multi-beam Satellite Based Network (SBN) and a Complementary Ground Component (CGC) network that re-uses the same frequency band than the satellite's one. This principle is of major interest to improve the spectral efficiency of the overall system and spatially optimize the usage of scarce spectrum resource available at low frequency bands such as L or S-band. Satellite and CGCs are assumed to be controlled by the same resource management entity which allows the coordination of frequency allocation between both components. The understanding of mutual interferences between both components is a key element for the design of such a system taking into account the forecasted balance between the number of terrestrial and satellite users in the system. This paper presents a model of an integrated mobile network composed of a multi-beam satellite, terrestrial base stations and hybrid satellite/terrestrial user terminals. This model is then used for statistical simulations of a continental scale network over Europe in order to analyze interferences between satellite and terrestrial users. The influence of several parameters such as the satellite frequency reuse pattern and the exclusion zone size between terrestrial and satellite cells is then presented.","PeriodicalId":221214,"journal":{"name":"2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117063943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 42

Overhead estimation of selected protocols for file transfer 所选文件传输协议的开销估计

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586926

M. Muhammad, M. Berioli

引用次数: 4

SER analysis of cooperative satellite-terrestrial network over non identical fading channels 非相同衰落信道下星地合作网的SER分析

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586888

Arif Iqbal, K. Ahmed

引用次数: 6

State of the art review for automotive satellite antennas 汽车卫星天线的最新技术回顾

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586875

M. Pannozzo, L. S. Drioli, M. Busa, D. Zamberlan, E. Toniolo

引用次数: 6

New frontiers for the mobile satellite interactive services 移动卫星交互业务的新领域

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586863

E. Feltrin, E. Weller

{"title":"New frontiers for the mobile satellite interactive services","authors":"E. Feltrin, E. Weller","doi":"10.1109/ASMS-SPSC.2010.5586863","DOIUrl":"https://doi.org/10.1109/ASMS-SPSC.2010.5586863","url":null,"abstract":"The new generation multi-spot Ka band satellites increase dramatically the offer of capacity whose cost is consequently reduced and give promising perspectives for fix interactive broadband services and mobile services. However, if on one hand the market and deployment of fix interactive broadband services definitely benefit from Ka band, on the other hand concerning mobile services the drawback of a multi-spot coverage is the huge effort required for preparing the ground segment infrastructures and the associated technologies. A few examples of the issues Eutelsat is working on are the development of high performances Ka band low profile antennas and satellite systems able to manage the handover from one satellite spot-beam to another, the mitigation of the fading impacting the transmissions to/from mobiles and the dynamic routing of IP traffic. This paper describes the approach adopted by Eutelsat together with some partners in order to solve these problems on different communication layers, in view of the launch of the satellite KA-SAT. Preliminary analysis and results, also built on past experiences done in Ku band, are presented.","PeriodicalId":221214,"journal":{"name":"2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125514218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 27

Performance analysis of distributed tracking with consensus on noisy time-varying graphs 噪声时变图上一致性分布式跟踪的性能分析

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586890

Y. Ruan, S. Jayaweera, C. Mosquera

引用次数: 4

Enhancing TCP based communications in mobile satellite scenarios: TCP PEPs issues and solutions 在移动卫星场景中增强基于TCP的通信:TCP pep问题和解决方案

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586878

E. Dubois, J. Fasson, C. Donny, E. Chaput

引用次数: 23

Rotation Invariant Subcarrier Mapping: A novel technique enabling quasi-constant OFDM envelope 旋转不变子载波映射:一种实现准恒定OFDM包络的新技术

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586856

S. Rosati, E. A. Candreva, G. Corazza

引用次数: 3

Overview of Platine emulation testbed and its utilization to support DVB-RCS/S2 evolutions Platine仿真试验台概述及其支持DVB-RCS/S2演进的应用

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI: 10.1109/ASMS-SPSC.2010.5586897

C. Baudoin, F. Arnal

引用次数: 12