[PDF] Top 20 Complexity analysis for recent ALOHA random access techniques in satellite communications

... Summary In this paper we study the the complexity of packet localization at reception, for recent synchronous Random Access (RA) techniques based on the protocol ... Voir le document complet

... Summary In this paper we study the the complexity of packet localization at reception, for recent synchronous Random Access (RA) techniques based on the protocol ... Voir le document complet

... of satellite communications, random access methods can significantly increase throughput and reduce latency over the ...The recent random access methods are based on ... Voir le document complet

... 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 retransmission ... Voir le document complet

... 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 retransmission ... Voir le document complet

... efficient communications for Internet access, television and ...telephony. For a long time, reservation resources of Demand Assignment Multiple Access (DAMA) techniques have been ... Voir le document complet

... of satellite communications, random access methods can significantly increase throughput and reduce latency over the ...The recent random access methods are based on ... Voir le document complet

... overloads. In papers [11] and [12], the authors detail algorithms where the probability of access (p ACB ) is computed dynamically thanks to an estimation of the number of backlogged ...drawbacks. In ... Voir le document complet

... protocols. In the context of privacy protection such as IPsec and Secure Socket Layer (SSL), PEPs can not be used without introducing complex modifications ...[8]. In addition, PEPs might require both high ... Voir le document complet

... efficient access to random parts of the data upon request from the ...of random access. Prediction methods rely in particular on reference data points, used to predict other data ... Voir le document complet

... outlook In recent years, several important discoveries have been made that are enabling the creation of a new generation of magnetoresistive ...summarized in table 2, based on available published ... Voir le document complet

... Counts for Full Deployment (5 March, 2015; Times in UTC) FOV was filled by something other than the Earth, empty space, and the ...ground analysis point towards a partial YN solar panel de- ployment ... Voir le document complet

... reserved for control packets and the rest for data transmissions [58] [59] ...busy. In crowded situations, the classical CSMA/CA still runs on a common channel and suffers from collisions between ... Voir le document complet

... I. I NTRODUCTION There exist two classes of reliability mechanisms based, re- spectively, on retransmission and redundancy schemes. Auto- matic Repeat reQuest (ARQ) schemes recover all lost packets by utilizing ... Voir le document complet

... solution in m steps without any matrix inversion and is thus computationally ...attractive. For the sake of convenience, a possible implementation of the CG beamformer is displayed in ...As ... Voir le document complet

... IPSTAR satellite network [9] which is operational in Australia and a large number of countries in ...mobile satellite service, Inmarsat Broadband Global Area Network (BGAN) [10], although, due ... Voir le document complet

... gramming. In the a tor ontext, a message that may not be understood by its re eiver is alled an ...h for a tor languages is to dynami ally he k for message not understood ...build. In fa t, ... Voir le document complet

... Mallat's wavelet maxima representation algorithm. The wavelet transform is computed for each octave, and only the locations and amplitudes of the local maxima of the wa[r] ... Voir le document complet

... LOHA techniques, extensively studied in the past [4], can be ...Multiple Access (NOMA) techniques associated with a powerful multi-user detection algorithm at the receiver ...NOMA ... Voir le document complet

... However, any colliding transmission from the same system is also composed of repetitions. Consequently, the same symbols get summed together, leading hypothetically to an increased interfer- ence. Because of the ... Voir le document complet