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Families of asymptotically regular LDPC block code ensembles can be formed by terminating (J, K)-regular protograph-based LDPC convolutional codes. By varying the termination length, we obtain a large selection of LDPC block code ensembles with varying code rates and substantially better iterative decoding thresholds than those of (J, K)-regular LDPC block code ensembles, despite the fact that the
In this paper a dialectic complexity framework is presented and reflected upon. The purpose of the framework is to guide researchers and practitioners in rethinking and reframing underlying assumptions, and address how these have a possible influence and impact on researchers’ and practitioners’ processes of making sense, understanding, explaining, improving etc. aspects of different types of issu
Ungdomars engagemang i föreningsverksamhet och organisering förutsägs ofta á priori vara något bra. Mer sällan problematiseras frågan, t.ex. genom att ställa frågan vem som organiserar sig. Denna artikel utgår från litteraturen om socialt kapital och har bl.a. tagit intryck av Bourdieus modell för socialt kapital. I en ekonomisk modell med inspiration från Bourdieu kommer värdet av en individs so
Abstract is not available
For almost forty years the seemingly harmless term “postmodern” has sown discord and ruffled feathers in the intellectual world. Mere sight of the term has caused some commentators to see red in more than one sense: “postmodernism” for them embodies the utter degeneracy of the 1960s Left. For their part, more than a few commentators on the left have associated the term with the neoliberal climate
There are several urban areas close to the coast or other waterways that may be adversely affected by erosion, flooding and slope instability. Global climate change including sea level rise, increased precipitation and more intense and damaging storms will increase the threats of natural hazards in several areas. Mitigating and adapting to these risks in urban areas are huge challenges for society
Popular Abstract in Swedish Avhandlingen undersöker ”chock-modernitet” och ”naturaliserad modernitet” som två sätt att varsebli det moderna. Med natur avses en omgivning som tas för given och i vilken förändring sker inom ramarna för det kända och etablerade. Chocken stör eller bryter ner denna ordning. Begrepp och objekt tycks inte längre sammanfalla, utan uppenbarar istället vad Adorno kallar deIn sociology shock is often seen as emblematic of modernity. However, while Benjamin and Simmel famously portray the big city crowd - and by extension modernity itself - as an arena of shock, shock sensations are notable for their absence in depictions of the crowd as well as of modernity as a whole in much contemporary literature. This is evident in depictions involving streets, trains, technolog
The present paper describes a rational analytical approach to a fire engineering design of load-bearing structures and partitions. The design method is permitted to be generally applied in Sweden, as one alternative, since about ten years. The method is directly based on the natural fire concept and strictly defined functional requirements and performance criteria . For facilitating the practical
A threshold analysis of terminated generalized LDPC convolutional codes (GLDPC CCs) is presented for the binary erasure channel. Different ensembles of protograph-based GLDPC CCs are considered, including braided block codes (BBCs). It is shown that the terminated PG-GLDPC CCs have better thresholds than their block code counterparts. Surprisingly, our numerical analysis suggests that for large te
No abstract is available
