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[null,"1.","Record Nr.",null,"UNINA9910151959403321"]
[null,null,"Autore",null,"Ji Bo <1982-, >"]
[null,null,"Titolo",null,"Advances in multi-channel resource allocation : throughput, delay, and complexity / / Bo Ji, Xiaojun Lin, Ness B. Shroff"]
[null,null,"Pubbl/distr/stampa",null,"[San Rafael, California] : , : Morgan & Claypool, , 2017"]
[null,null,"ISBN",null,"1-62705-983-0"]
[null,null,"Descrizione fisica",null,"1 online resource (132 pages) : illustrations (some color)"]
[null,null,"Collana",null,"Synthesis lectures on communication networks, , 1935-4193 ; ; # 17"]
[null,null,"Disciplina",null,"384.54524"]
[null,null,"Soggetti",null,"Radio resource management (Wireless communications)"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Part of: Synthesis digital library of engineering and computer science."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages 103-114)."]
[null,null,"Nota di contenuto",null,"1. Overview --"]
[{"$nulls":4},"2. Intra-cell scheduling -- 2.1 Introduction -- 2.2 A simple system model -- 2.3 Pitfalls of the classical MaxWeight policy -- 2.4 Queue-length-based approaches -- 2.5 Delay-based approaches -- 2.6 Intuition of achieving optimality -- 2.7 Rate-function delay optimality -- 2.7.1 Assumptions on the arrival processes -- 2.7.2 Upper bound on the delay rate-function -- 2.7.3 Sufficient condition of rate-function delay optimality -- 2.7.4 Dominance property: frame-based scheduling and perfect matching -- 2.7.5 Vector matching in bipartite graphs -- 2.7.6 Proof sketch of rate-function delay optimality -- 2.8 Throughput optimality -- 2.8.1 Optimal throughput region -- 2.8.2 Sufficient condition of throughput optimality -- 2.9 Scheduling policies -- 2.9.1 Rate-function delay-optimal policies (DWM and DWM-n) -- 2.9.2 Throughput-optimal policies (DWM and d-MWS) -- 2.9.3 Low-complexity hybrid policies -- 2.10 Near-optimal delay rate-function -- 2.10.1 Delay-based server-side greedy -- 2.10.2 Main result and intuition -- 2.10.3 Equivalence property: delay-based queue-side-greedy -- 2.11 Simulations -- 2.12 Conclusion --"]
[{"$nulls":4},"3. Network-wide scheduling -- 3.1 Introduction -- 3.2 Single-channel solutions based on MaxWeight -- 3.2.1 A simple network model -- 3.2.2 The MaxWeight algorithm -- 3.2.3 Low-complexity approximations to MaxWeight -- 3.2.4 Single-channel CSMA algorithms -- 3.3 Using multiple channels -- 3.3.1 Independent CSMA chains across channels -- 3.3.2 Complementary schedules across channels: a departure from -- MaxWeight -- 3.3.3 What to do if there is only one physical channel? -- 3.3.4 The notion of delay -- 3.3.5 Utility-maximization vs. throughput-maximization -- 3.4 Multi-"]
[{"$nulls":4},"channel CSMA algorithm -- 3.5 throughput/delay/complexity analysis -- 3.5.1 Utility optimality -- 3.5.2 Delay performance -- 3.5.3 Computational complexity and communication overhead -- 3.5.4 VMC-CSMA under exogenous packet arrivals -- 3.6 Implementation -- 3.7 Performance evaluation -- 3.8 Inter-cell coordination in OFDM systems -- 3.8.1 Model for an OFDM multi-cell system -- 3.8.2 Distributed algorithms based on multi-channel Gibbs sampling -- 3.9 Conclusion -- 3.10 Additional notes --"]
[{"$nulls":4},"Bibliography -- Authors' biographies."]
[null,null,null,"Sommario/riassunto","The last decade has seen an unprecedented growth in the demand for wireless services. These services are fueled by applications that often require not only high data rates, but also very low latency to function as desired. However, as wireless networks grow and support increasingly large numbers of users, these control algorithms must also incur only low complexity in order to be implemented in practice. Therefore, there is a pressing need to develop wireless control algorithms that can achieve both high throughput and low delay, but with low-complexity operations. While these three performance metrics, i.e., throughput, delay, and complexity, are widely acknowledged as being among the most important for modern wireless networks, existing approaches often have had to sacrifice a subset of them in order to optimize the others, leading to wireless resource allocation algorithms that either suffer poor performance or are difficult to implement. In contrast, the recent results presented in this book demonstrate that, by cleverly taking advantage of multiple physical or virtual channels, one can develop new low-complexity algorithms that attain both provably high throughput and provably low delay. The book covers both the intra-cell and network-wide settings. In each case, after the pitfalls of existing approaches are examined, new systematic methodologies are provided to develop algorithms that perform provably well in all three dimensions."]
[null,"2.","Record Nr.",null,"UNINA9910782963303321"]
[null,null,"Autore",null,"Jacobs Janet Liebman"]
[null,null,"Titolo",null,"Hidden heritage [[electronic resource] ] : the legacy of the Crypto-Jews / / Janet Liebman Jacobs"]
[null,null,"Pubbl/distr/stampa",null,"Berkeley ; ; Los Angeles, : University of California Press, c2002"]
[null,null,"ISBN",null,"9786612762741"]
[{"$nulls":4},"1-59734-653-5"]
[{"$nulls":4},"0-520-93661-2"]
[{"$nulls":4},"1-282-76274-5"]
[null,null,"Descrizione fisica",null,"1 online resource (210 p.)"]
[null,null,"Collana",null,"S. Mark Taper Foundation Imprint in Jewish Studies"]
[null,null,"Disciplina",null,"305.892/4073"]
[null,null,"Soggetti",null,"Crypto-Jews - United States - History"]
[{"$nulls":4},"Jews - United States - History"]
[{"$nulls":4},"Crypto-Jews - Religious life"]
[{"$nulls":4},"Crypto-Jews - Social life and customs"]
[{"$nulls":4},"Jews - Identity"]
[{"$nulls":4},"United States Ethnic relations"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (p. 155-185) and index."]
[null,null,"Nota di contenuto",null,"Secrecy, antisemitism, and the dangers of Jewishness -- Women and the persistence of culture : ritual, custom, and the recovery of Sephardic ancestry -- The self-in-relation and the transformation of religious consciousness -- Syncretism and faith blending in modern Crypto-Judaism -- Conversion and the rekindling of the Jewish soul -- Jewish ancestry and the social construction of ethnic identity -- Conclusion. Ethnic loss and the future of Crypto-Jewish culture"]
[null,null,null,"Sommario/riassunto","This study of contemporary crypto-Jews-descendants of European Jews forced to convert to Christianity during the Spanish Inquisition-traces the group's history of clandestinely conducting their faith and their present-day efforts to reclaim their past. Janet Liebman Jacobs masterfully combines historical and social scientific theory to fashion a brilliant analysis of hidden ancestry and the transformation of religious and ethnic identity."]