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Coded IDMA system performance with parallel interleavers

In this paper we evaluate the use of parallel interleavers for user separation in coded IDMA systems. The parallel interleavers have previously been evaluated for uncoded systems, and we here present extended results for the coded case. The new results are important for real systems, as they will most likely use performance enhancing channel coding. The parallel interleavers are designed to remove

Tales of Tailbiting Codes

Tailbiting codes are error correcting codes and can be used in digital transmission systems. They are obtained by terminating convolutional codes into block codes. This thesis consists of an introduction to convolutional and tailbiting codes, and the Papers A--G that include the main results. In Paper A, the error correcting capability of tailbiting codes is described via the active distances for

Off the Edge of the Map: A Study of Organizational Diversity as Identity Work

“Diversify or die” is a recurring and rather dramatic call for organizations to recruit, retain and manage a demographically diverse workforce, advocated by the business case for diversity, also known as diversity management philosophy. Diversity management places diverse social identities at the heart of organizational success and has gained much attention from management consultants and managers

Captured Countryside? Stability and Change in Sub-national Support for African Incumbent Parties

Many existing accounts of African elections assume that voters base their electoral decisions on cues and incentives that are anchored in highly stable ethnic cleavage structures. Yet several newer contributions to the study of African electoral politics have questioned the ethno-clientelistic voting thesis and highlighted other determinants of vote choice, such as class, ideology and performance