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Yayın Preface(Springer Verlag, 2007) Bıyıkoğlu, Türker; Leydold, Josef; Stadler, Peter F.[No abstract available]Yayın Power allocation for cooperative communications(IGI Global, 2009) Kaya, Onur; Ulukuş, ŞennurIn this chapter, we review the optimal power allocation policies for fading channels in single user and multiple access scenarios. We provide some background on cooperative communications, starting with the relay channel, and moving onto mutually cooperative systems. Then, we consider power control and user cooperation jointly, and for a fading Gaussian multiple access channel (MAC) with user cooperation, we present a channel adaptive encoding policy, which relies on block Markov superposition coding. We obtain the power allocation policies that maximize the average rates achievable by block Markov coding, subject to average power constraints. The optimal policies result in a coding scheme that is simpler than the one for a general multiple access channel with generalized feedback. This simpler coding scheme also leads to the possibility of formulating an otherwise non-concave optimization problem as a concave one. Using the perfect channel state information (CSI) available at the transmitters to adapt the powers, we demonstrate significant gains over the achievable rates for existing cooperative systems. We consider both backwards and window decoding, and show that, window decoding, which incurs less decoding delay, achieves the same sum rate as backwards decoding, when the powers are optimized.Yayın Local democracy online: An analysis of local government web sites in England and Wales(IGI Global, 2007) Pratchett, Lawrence; Wingfield, Melvin; Karakaya Polat, RabiaThis report from the field analyzes the extent to which local authorities in England and Wales have responded to the e-democracy agenda by examining their Web sites and assessing their potential to deliver democracy. The analysis of Web sites provides a powerful insight into how local government is using the Internet to promote democracy. Two aspects of Web site use are particularly significant. First, the analysis reveals the overall commitment to e-democracy in local government, as it is a measure of actual behavior rather than simply an attitudinal survey. Second, it highlights the types of democratic structure being supported and the values being emphasized in the implementation of e-democracy. The research demonstrated that the potential of the Internet for enhancing democracy is not fully exploited by local authorities and there remain considerable variations between different authorities.Yayın E-citizenship: reconstructing the public online(Policy Press, 2009-01-01) Karakaya Polat, Rabia; Pratchett, Lawrence[No abstract available]Yayın ‘Communist Party of the United States.’ ‘Duverger’s Law.’ ‘Green Party.’ ‘Ku Klux Klan.’(Checkmark Books, 2007) Celep, Ödül; Sabato, Larry J.; Ernst, Howard R.[No abstract available]
