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The social and individual construction of meaning : interpersonal and intrapersonal communication in foundation phase learningBalliram, Usha. January 2002 (has links)
Submitted in accordance with the requirements for the Degree of Master of Arts in Communication Science at the University of Zululand, South Africa, 2002. / In this thesis I present my recommendations regarding the role of organisational
communication with particular reference to the social and individual construction of meaning in
foundation phase learning. This thesis will demonstrate that the fundamental switch from the
traditional educator-centred teaching to learner-centred teaching in Out-comes Based Education
requires that both educators and learners be in command of a range of communication strategies in
order to construct meaning in the real-world social contexts. I also hi-light the importance of verbal
as well as nonverbal communication skills in relation to intra-personal, and interpersonal
communication. I encapsulate the vision of teachers and learners who are knowledgeable and
multi-faceted, sensitive to environmental issues and able to respond to and act upon the many
challenges that society presents. With this in mind I examine an array of forms of communication
that learners and educators must be in command of to ensure the success of OBE in the classroom
situation. I stress the need for knowledge of verbal as well as nonverbal communication skills to
give learners the confidence they need in the social environment In surveying organisational communication I also look at the challenges that educators face in the implementation of the new curriculum
I will also reveal that OBE requires a cooperative method of teaching, which allows for democracy in the foundation phase classroom. Learners are allowed to contribute freely in group and class discussions about their daily life experiences and to become independent, literate, numerate and multi-skilled individuals of society. I further recommend a model of organisational communication for foundation phase learning taking into account the kind of learner that is envisaged in OBE.
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Managing terminals mobility for personal communication systems.January 1996 (has links)
by Lee Ying Kit. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1996. / Includes bibliographical references (leaves 79-[83]). / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Overview of Personal Communication Systems --- p.1 / Chapter 1.2 --- Design issues on PCS --- p.2 / Chapter 1.2.1 --- Channel allocation --- p.2 / Chapter 1.2.2 --- Multiple Access --- p.3 / Chapter 1.2.3 --- Handoffs --- p.4 / Chapter 1.2.4 --- Location management --- p.6 / Chapter 1.3 --- Motivation of this thesis --- p.9 / Chapter 1.4 --- The theme of this thesis --- p.10 / Chapter 1.4.1 --- Methodology --- p.10 / Chapter 1.4.2 --- The system model and assumptions --- p.12 / Chapter 1.4.3 --- Outline of the thesis --- p.13 / Chapter 2 --- Overview of the traditional location update schemes --- p.15 / Chapter 2.1 --- Why do we need location registration? --- p.15 / Chapter 2.2 --- Location registration by Geographic and Time based methods --- p.16 / Chapter 2.2.1 --- Geographic Based Registration Schemes --- p.16 / Chapter 2.2.2 --- Time Based Registration Scheme --- p.20 / Chapter 2.3 --- Peformance Analysis of protocols --- p.20 / Chapter 2.3.1 --- Analytical Results --- p.22 / Chapter 2.3.2 --- A Numerical Study --- p.23 / Chapter 2.4 --- Summary of the results for time and geographic based location update protocol --- p.24 / Chapter 3 --- The Implementation of Bloom filter on location registration --- p.27 / Chapter 3.1 --- Introduction --- p.27 / Chapter 3.2 --- The Implementation of Bloom filter on location registration --- p.29 / Chapter 3.2.1 --- Location Update by Bloom filter --- p.29 / Chapter 3.2.2 --- Paging algorithm --- p.29 / Chapter 3.2.3 --- An example --- p.30 / Chapter 3.3 --- Performance evaluation of the Bloom filter based location update scheme --- p.32 / Chapter 3.4 --- Summary of the results for Bloom filter based scheme --- p.35 / Chapter 4 --- One-Bit-Reply protocol --- p.36 / Chapter 4.1 --- Introduction --- p.36 / Chapter 4.2 --- One-Bit-Reply protocol --- p.37 / Chapter 4.2.1 --- Grouping of MU's --- p.38 / Chapter 4.2.2 --- The Update Procedure --- p.39 / Chapter 4.2.3 --- Paging algorithm --- p.40 / Chapter 4.3 --- Performance evaluation of the OBR protocol --- p.42 / Chapter 4.3.1 --- Analytical Results --- p.42 / Chapter 4.3.2 --- A Simulation Study --- p.43 / Chapter 4.4 --- Comparison of the location registration schemes - A numerical study --- p.45 / Chapter 4.5 --- Summary --- p.46 / Chapter 5 --- A case study - Implementing the OBR protocol on GSM sytems --- p.49 / Chapter 5.1 --- Introduction --- p.49 / Chapter 5.2 --- The Architecture of Global System for Mobile Communicaitons (GSM) --- p.50 / Chapter 5.3 --- Location Update Procedure of GSM --- p.51 / Chapter 5.4 --- Implementing OBR protocol on GSM --- p.52 / Chapter 5.5 --- Influence of the OBR on the VLR's and HLR --- p.55 / Chapter 5.5.1 --- Analysis of traditional method --- p.57 / Chapter 5.5.2 --- Analysis of OBR --- p.58 / Chapter 5.6 --- Summary --- p.59 / Chapter 6 --- Conclusion --- p.61 / Chapter 6.1 --- Summaries of Results --- p.61 / Chapter 6.1.1 --- Cost functions --- p.61 / Chapter 6.1.2 --- Optimization of the cost functions --- p.62 / Chapter 6.1.3 --- Implementation of OBR into GSM --- p.64 / Chapter 6.2 --- Suggestions for further researches --- p.64 / Appendix --- p.65 / Chapter A --- Derivation of cost functions --- p.66 / Chapter A.1 --- Geographic based scheme --- p.66 / Chapter A.2 --- Time based scheme --- p.67 / Chapter A.3 --- Bloom filter based scheme --- p.68 / Chapter B --- On the optimality of the cost functions --- p.71 / Chapter B.1 --- Steepest Descent Algorithm for various protocols --- p.71 / Chapter B.2 --- Bloom filter based scheme --- p.72 / Chapter B.3 --- Time Based Scheme --- p.74 / Chapter B.4 --- One-Bit-Reply scheme --- p.75 / Chapter B.5 --- Geographic Based Scheme --- p.75 / Chapter C --- Simulation of OBR --- p.77 / Bibliography --- p.79
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Downlink resource allocation for orthogonal frequency division multiple access systems.Chee, Kit-Ming Tommy January 2007 (has links)
Wireless spectral efficiency is increasingly important due to the rapid growth of demand for high data rate wideband wireless services. The design of a multi-carrier system,such as an orthogonal frequency division multiple access (OFDMA) system, enables high system capacity suited for these wideband wireless services. This system capacity can be further optimised with a resource allocation scheme by exploiting the characteristics of the wireless fading channels. The fundamental idea of a resource allocation scheme is to efficiently distribute the available wireless resources, such as the sub-carriers and transmission power, among all admitted users in the system. In this thesis, we present the findings of the investigation into the impact of several resource allocation schemes in an OFDMA environment. We show that in an OFDMA environment without the consideration of sub-carrier assignment, the sub-optimal power allocation closed-form solution can be derived via a constrained optimisation with the duality theorem. With a perfect feedback of channel condition, the proposed low-complexity algorithm that utilises the closed-form solution can maximise the sum capacity to approach near-optimal capacity. We derive the sub-optimal sub-carrier and power allocation closed-form solution via a similar constrained optimisation process. With an imperfect or outdated feedback of channel condition, the adaptive sub-carrier and power allocation scheme not only fails to improve but also further deteriorates the system throughput. We present and discuss the formation of the finite-state Markov channel. We show that by using the dynamics of the Markov channel, the channel quality can be reliably predicted in advance. We analyse via simulation the spectral efficiency achieved by this channel prediction scheme on an OFDMA system. We address the importance of fairness in resource allocation from a game-theoretic perspective. With different utility and preference functions that best describe the gain in users’ throughput as more sub-carriers are allocated to the individual user, we formulate the resource allocation problem into cooperative and non-cooperative games. We study via simulation the effectiveness and fairness of the cooperative and non-cooperative resource allocation schemes on an OFDMA system. Finally, we draw conclusions on our research work and outline the future research topics in connection with our current studies. / Thesis(PhD) -- School of Electrical and Electronic Engineering, 2007
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Mobility management for personal communications networksHo, Joseph S. M 05 1900 (has links)
No description available.
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Downlink resource allocation for orthogonal frequency division multiple access systemsChee, Kit-Ming Tommy. January 2007 (has links)
Thesis (Ph.D.) -- University of Adelaide, School of Electrical and Electronic Engineering, 2007. / "April 2007" Bibliography: pages 127-138. Also available in print form.
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End-to-end security for mobile devices/Kayayurt, Barış. Tuğlular, Tuğkan January 2004 (has links) (PDF)
Thesis (Master)--İzmir Institute of Technology, İzmir, 2004. / Includes bibliographical references (leaves. 120).
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A methodology and software platform for building wearable communities /Kortuem, Gerd. January 2002 (has links)
Thesis (Ph. D.)--University of Oregon, 2002. / Typescript. Includes vita and abstract. Includes bibliographical references (leaves 242-256). Also available for download via the World Wide Web; free to University of Oregon users.
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MicroJini a service discovery and delivery infrastructure for pervasive computing /Nordstedt, David Roger January 2001 (has links)
Thesis (M.E.)--University of Florida, 2001. / Title from title page of source document. Document formatted into pages; contains xi, 76 p.; also contains graphics. Includes vita. Includes bibliographical references.
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Adaptive Personal Mobile Communication, Service Architecture and Protocols.Kanter, Theo January 2001 (has links)
No description available.
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Adaptive Personal Mobile Communication, Service Architecture and Protocols.Kanter, Theo January 2001 (has links)
No description available.
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