[PDF] Top 20 On the quality of VoIP with DCCP for satellite communications
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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 ... Voir le document complet
27
Effect of residual channel estimation errors in random access methods for satellite communications
... MSE for the estimation of ∆f 1 at destination node ...compute the packet error rate (PER) after demodulating and decoding the sampled signal s2 in presence of residual estimation ... Voir le document complet
7
Experimental performance of DCCP over live satellite and long range wireless links
... viable communications alternative for rural and remote areas and a number of new systems has been recently launched ([1], [8], ...worldwide. The purpose of introducing DCCP was ... Voir le document complet
6
Enhanced HARQ for Delay Tolerant Services in Mobile Satellite Communications
... techniques of HARQ transmission. The first one is a classical IR HARQ scheme, that transmits the same number of bits at each transmission without any knowledge about the global ... Voir le document complet
7
Performance of VoIP with DCCP for satellite links
... evaluated the performance of DCCP/CCID4 on a live satellite link for a number of scenarios which include different voice codecs and varying number of simultaneous ... Voir le document complet
6
An analytic and experimental study on the impact of jitter playout buffer on the E-model in VoIP quality measurement
... algorithm for adaptive speech quality management in VoIP commu- nications, which can show a real-time change in speech encoding parameters by varying voice packet sizes or com- pression (encoding) ... Voir le document complet
6
NB-IoT for satellite communications: Physical layer analysis and performance
... As for DL, NPUSCH time synchronization will be achieved by correlation in the time ...domain. The major difference is that on UL there is no dedicated synchronization signal, so we have exploited ... Voir le document complet
8
Effect of residual channel estimation errors in random access methods for satellite communications
... WORK The summary of our work is the use of the iterative EM algorithm and the integration of accurate timing offset estimation inside EM, as well as applying a joint ... Voir le document complet
6
An Enhanced Multiple Random Access Scheme for Satellite Communications
... Figure 5 depicts the performance curves in terms of packet error rate PER of this turbo code in the 3 cases: a the 3 bursts are on clean slots, b the 3 bursts are in collision with signa[r] ... Voir le document complet
7
Channel Estimation and Equalization for CPM with Application for Aeronautical Communications via a Satellite Link
... representation of CPM signals. It allowed us to rederive dif- ferent equalizers of the literature to point out their equivalence and ...in the case of the aeronautical channel ... Voir le document complet
8
On the performance of UNB for Machine-To-Machine Low Earth Orbit (LEO) satellite communications
... the message. In asynchronous random access, the reduction of multiple access interference compensates the increased number of interfering packets, and in our reference, scenario TFA ... Voir le document complet
17
Optimisation de la fiabilité pour des communications multipoints par satellite géostationnaire
... archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...not. The documents may come from teaching and research institutions in France ... Voir le document complet
158
Shared Position Technique for Interfered Random Transmissions in Satellite Communications
... Data localization correlations are then performed over the second replicas positions of the potentially collided packets having the same preamble on the reference time slot.. In this cas[r] ... Voir le document complet
9
Méthodes d'Accès Multiple à Répartition Spatiale pour Communications par Satellite
... 2.2. LE SYST ` EME 9 2.2.1 Les bases de l’architecture Le syst`eme envisag´e sera mis en oeuvre sous la forme d’une charge utile r´eg´en´erative (avec un r´ep´eteur permettant un acc`es du type SDMA), passag`ere d’un ... Voir le document complet
236
Shared Position Technique for Interfered Random Transmissions in Satellite Communications
... Data localization correlations are then performed over the second replicas positions of the potentially collided packets having the same preamble on the reference time slot.. In this cas[r] ... Voir le document complet
10
Estimation de canal avec apriori de position pour les communications aeronautiques par satellite
... number of paths is considered and when some channel parameters can be estimated based on the ...is the channel estimation for aeronautical communications via a satellite ...that ... Voir le document complet
5
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 ... Voir le document complet
20
On an efficient equalization structure for aeronautical communications via a satellite link
... Illustration of the geometry of the aeronautical com- munication ...from the received signal at the input of the parallel ...exploiting the sparsity mainly ... Voir le document complet
7
On an efficient equalization structure for aeronautical communications via a satellite link
... composed of three key links: land-aircraft, aircraft-satellite and satellite- ...on the command link between the satellite and the ...in the scenario considering ... Voir le document complet
8
Improved channel estimation for interference cancellation in random access methods for satellite communications
... Recently, the use of random access (RA) methods in satel- lite communications has been the center of attention of many ...but the problem is that the receiver only ... Voir le document complet
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