[PDF] Top 20 Effect of residual channel estimation errors in random access methods for satellite communications
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Effect of residual channel estimation errors in random access methods for satellite communications
... context of satellite communications the main weak- ness of traditional random access (RA) methods like Aloha [1] and Slotted Aloha [2] is destructive packet collisions and ... Voir le document complet
6
Effect of residual channel estimation errors in random access methods for satellite communications
... context of satellite communications the main weak- ness of traditional random access (RA) methods like Aloha [1] and Slotted Aloha [2] is destructive packet collisions and ... Voir le document complet
7
Improved channel estimation for interference cancellation in random access methods for satellite communications
... coding, Channel estimation, Expectation-maximization algorithms ...use of random access (RA) methods in satel- lite communications has been the center of ... Voir le document complet
7
Improved channel estimation for interference cancellation in random access methods for satellite communications
... coding, Channel estimation, Expectation-maximization algorithms ...use of random access (RA) methods in satel- lite communications has been the center of ... Voir le document complet
6
Complexity analysis for recent ALOHA random access techniques in satellite communications
... 1 Satellite communication system example with a bent pipe ...) of transmitted packets are sent over different time ...composed of a preamble which can be unique or from a selection of N P Gold ... Voir le document complet
19
Complexity analysis for recent ALOHA random access techniques in satellite communications
... 1 Satellite communication system example with a bent pipe ...) of transmitted packets are sent over different time ...composed of a preamble which can be unique or from a selection of N P Gold ... Voir le document complet
20
Efficient decoding of random errors for quantum expander codes
... ’15] For the hypergraph product of an expander code ( < 1/6) : There is an efficient decoding algorithm for this ...error of size ≤ Θ( √ ... Voir le document complet
68
Robust Query Optimization Methods With Respect to Estimation Errors: A Survey
... optimizer. In addition, some of them are even compatible with strategies adopted by a multi-plan based ...as methods using the single-plan based approach, because they constitute the core ... Voir le document complet
13
Enhanced HARQ for Delay Tolerant Services in Mobile Satellite Communications
... number of bits that can be transmitted per ...part of the original codeword (mother code), leading to a different code rate at each transmission (see Figure ...technique of transmission is somehow ... Voir le document complet
7
On the quality of VoIP with DCCP for satellite communications
... results of an experimental evaluation of the perfor- mance of selected voice codecs which use DCCP/CCID4 with TFRC congestion control over the IPSTAR satellite network [9] which is operational ... Voir le document complet
27
Efficient decoding of random errors for quantum expander codes
... Main idea to prove our theorem: represent qubits by vertices on a bounded degree graph and represent random errors on qubits by a percolation process. The error is thus composed of small clusters ... Voir le document complet
2
Non parametric estimation for random walks in random environment
... point of view. As such, many tools for statistical analysis, such as concentration inequalities, are already proved, or can be easily derived from existing results on the ...follows. In Section 2, we ... Voir le document complet
29
Coding for random access in wireless networks
... This random coding achievability bound uses a subspace projection based decoder inspired from 137] which doesn't need the knowledge of the realization of the fading [r] ... Voir le document complet
83
Beamforming for satellite communications in emergency situations
... instead of a(θ u , φ u ) as the latter is not known. The subscript u stands for the user of ...knowledge of the actual steering vector which, as said above, is not exactly ...knowledge ... Voir le document complet
11
Satellite Communications
... Astronomical satellites: used for the observation of distant planets, galaxies, and other outer space objects. Navigational satellites [ GPS , Galileo , Beidou ]: they use radio time signals transmitted to ... Voir le document complet
88
Cross-Layer Optimization Techniques for Satellite Communications Networks
... de communications sans l ont été constants et soutenus pendant ces dernières ...télé- communications et réseaux a été de construire des systèmes qui marchent, et non pas de fournir des belles ... Voir le document complet
171
Adaptive load control for IoT based on satellite communications
... mechanisms for a satellite system dedicated to the IoT. Given the satellite coverage, load control mechanisms are essential for satellites since millions of devices could be within ... Voir le document complet
8
Optimization methods for side channel attacks
... choice of aggregate functions depends on the practical behaviour of ...distinguishers. For this purpose, third we have proposed to give a special attention to such behaviour, by analysing the rank ... Voir le document complet
223
Systematic errors estimation in repeat MBES surveys
... 1,2 Brest France, 3 Brussel Belgium Nathalie.debese@ensta-bretagne.fr Abstract— Repeated multibeam echosounder (MBES) surveys are carried out over dredging areas to control the sand extraction. This work aims at ... Voir le document complet
2
High-order statistical methods for blind channel identification and source detection with applications to wireless communications
... goals of this chapter have been two fold: firstly, we have been interested in the blind source localization problem in the context of multiuser narrowband array processing, under the as- ... Voir le document complet
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