2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop最新文献_第3页

Impact of ROHC on IP encapsulation efficiency in a DVB-S2 GSE-only transmission system ROHC对DVB-S2纯gse传输系统IP封装效率的影响

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.2010.5586872

Nikhil George Ninan, N. Ewald, G. Fairhurst

引用次数: 3

Subspace Interference Alignment for multibeam satellite communications systems 多波束卫星通信系统的子空间干扰对准

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.2010.5586887

Paridhi Jain, M. Vázquez-Castro

{"title":"Subspace Interference Alignment for multibeam satellite communications systems","authors":"Paridhi Jain, M. Vázquez-Castro","doi":"10.1109/ASMS-SPSC.2010.5586887","DOIUrl":"https://doi.org/10.1109/ASMS-SPSC.2010.5586887","url":null,"abstract":"In this work, we examine the feasibility of achieving Subspace Interference Alignment (SIA) in a multibeam satellite interference uplink channel. The channel is assumed to be Line-Of-Sight where link is a single physical path with complex gain and a large fixed delay (e.g. GEO satellite). SIA achieves interference-free degree of freedom in cellular networks owing to the rich scattering present in the terrestrial channel. In this paper, we show that it is also possible to achieve interference-free degree of freedom in the multibeam satellite system. We propose the geometrical arrangement constraints for both, the beam and the satellite, for full per-station interference-free transmission using finite dimensions. The theoretical potential is shown to be very large compared to the current schemes, which are based on orthogonalization and reuse. However, our results show the necessity of large bandwidth scaling with increase in number of stations. Moreover, we analyze the required scaling in a realistic scenario, which turns out to be unfeasible. Consequently, SIA is theoretically advantageous for a LOS satellite multibeam but practical schemes exploiting alignment in other domains should be developed.","PeriodicalId":221214,"journal":{"name":"2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop","volume":"170 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":"115176775","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: 7

Multihop transmission with interference using spatial reused space-time coded cooperative-routing 空间复用空时编码协同路由的多跳干扰传输

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.2010.5586864

B. Maham, A. Hjørungnes, Zhu Han

引用次数: 0

Portable satellite backhauling solution for emergency communications 用于应急通信的便携式卫星回传解决方案

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.2010.5586923

A. V. Estrem, M. Werner

引用次数: 9

Joint control of delay and packet drop rate in satellite systems using network coding 基于网络编码的卫星系统时延和丢包率联合控制

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.2010.5586858

Sameh Sorour, S. Valaee, N. Alagha

{"title":"Joint control of delay and packet drop rate in satellite systems using network coding","authors":"Sameh Sorour, S. Valaee, N. Alagha","doi":"10.1109/ASMS-SPSC.2010.5586858","DOIUrl":"https://doi.org/10.1109/ASMS-SPSC.2010.5586858","url":null,"abstract":"Mobile terminals communicating through satellite suffer from low channel quality due to the combination of slow and fast fading and limited battery power. Moreover, the advanced applications proliferating over such terminals forbids the use of feedback based packet retransmission schemes over satellite due to their high latency, exceeding three times the round trip time. These feedback based packet retransmission schemes also suffer from large throughput degradations to reduce packet drop rates, especially for the large receiver population. In this paper, we propose a joint delay and packet drop rate control protocol over lossy mobile satellite channels using network coding. The suggested protocol employs random network coding at the mobile terminals, within and across different sessions, to generate efficient proactive retransmission packets, without prior knowledge of lost packets at the different users. It also allows the satellite to transmit random network coding combinations of all received packets, to fill the gaps left by packet losses on the uplink channel. By adjusting the timing of these network coded transmissions, the protocol can control packet recovery at any desired delay above one round trip time. The protocol can also control the packet drop rate level by adjusting the network coding rate. The protocol is able to achieve these gains at a much higher system throughput compared to conventional ARQ protocols. Moreover, the protocol do not suffer from the lack of throughput scalability for larger user populations.","PeriodicalId":221214,"journal":{"name":"2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop","volume":"44 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":"127324087","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: 10

Fair admission control model for aircrafts bundles data transmission for Delay Tolerant Networks 容延迟网络中飞机束数据传输的公平接纳控制模型

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.2010.5586909

M. Al-Siyabi, H. Cruickshank, Zhili Sun, P. Cornice

{"title":"Fair admission control model for aircrafts bundles data transmission for Delay Tolerant Networks","authors":"M. Al-Siyabi, H. Cruickshank, Zhili Sun, P. Cornice","doi":"10.1109/ASMS-SPSC.2010.5586909","DOIUrl":"https://doi.org/10.1109/ASMS-SPSC.2010.5586909","url":null,"abstract":"Aircrafts in commercial routes have been proposed in some previous work as a novel DTN bundle carriers [1]. Satellites can be one of the hops in this application. DTN suffers from intermittent disconnections, long delays and has scarce resources. It is a challenge to control the admission to these resources to provide better QoS and ensure optimum resource utilisation. Furthermore, providing fairness to different users who compete to access limited and scarce resources makes the solution even harder. In this paper, we propose a fair novel admission control model for DTN aircrafts applications based on feedback history logging of past admissions. This model will locally estimate the resources and provide fair admissions for users within a group of users in the same area. We will show an analysis of aircrafts fair admission control design for both aircraft initiated and user initiated approaches, which will provide integrated service per flow basis. The paper also presents the initial simulation model using a modified version of DTN2 emulator and DTNperf_2 performance monitoring tool.","PeriodicalId":221214,"journal":{"name":"2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop","volume":"12 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":"127843516","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: 1

Random, deterministic, and hybrid algorithms for distributed beamforming 分布式波束形成的随机、确定性和混合算法

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.2010.5586901

Ilaria Thibault, G. Corazza, L. Deambrogio

引用次数: 20

A tighter upper bound on the error probability of signals in white Gaussian noise 高斯白噪声下信号误差概率的一个更紧的上界

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.2010.5586853

E. A. Candreva, G. Corazza

引用次数: 3

Use of Adaptive Coding and Modulation for aeronautical communications 自适应编码和调制在航空通信中的应用

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.2010.5586855

Katia Leconte, N. Van Wambeke, Hugo Gonzalez

引用次数: 0

Multi-user detection for Inmarsat's BGAN system Inmarsat BGAN系统的多用户检测

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.2010.5586877

M. Moher, Wei Zhang, P. Febvre, J. Rivera-Castro

引用次数: 4