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Performance evaluation of channel estimation techniques for LTE downlink system
In this thesis channel estimation techniques for LTE downlink named Least Square, Minimum Mean Square error and Maximum Likelihood estimation techniques are studied for the pilot symbol based channel estimation. In addition to this the performances of these three channel estimation techniques were also studied by introducing averaging, interpolation and hybrid methods.This work also investigates the complexity of the channel estimation techniques in terms of the number of complex multiplications and by varying the FFT size and number of CP(cyclic prefix). furthermore, the effect of varying the number of antennas at the transmitter and receiver ends, where 2 x 2 and 4 x 4 antenna arrangements are considered as a case studies. The performance of these channel estimation techniques is also studied for EVA standard channel model in LTE. The considered channel model is EVA standard channel model with Doppler shift of 300HZ.
Understanding Physics Like a Nerd Without Becoming One & More
“Understanding Physics Like a Nerd Without Becoming One & More” is intended to benefit and awaken a reluctant reader so he or she can understand physics too. Even though this book is written primarily for students, the authors believe everyone can enjoy and learn from it. To fully understand the content of this book, readers need only a basic knowledge of algebra, geometry, and trigonometry. In addition to the instruction on physics, the book provides several real life lessons for readers to learn. The book is intended to engage and to be humorous; it is written to generate a smile here and there. Sometimes, it may even challenge your intuition. The authors truly believe that everyone ca...
Grass-roots Justice in Ethiopia
This book presents a timely review of the relations between the formal and customary justice systems in Ethiopia, and offers recommendations for legal reform. The book provides cases studies from all the Region of Ethiopia based on field research on the working of customary dispute resolution (CDR) institutions, their mandates, compositions, procedures and processes. The cases studies also document considerable unofficial linkages with the state judicial system, and consider the advantages as well as the limitations of customary institutions with respect to national and international law. The editor's introduction reviews the history of state law and its relations with customary law, summari...
Recent Advances in Civil Engineering
This book presents the select proceedings of the International Conference on Civil Engineering Trends and Challenges for Sustainability (CTCS 2021). It discusses emerging and latest research and advances in sustainability in different areas of civil engineering, providing solutions to sustainable development. Various topics covered include sustainable construction technology & building materials; structural engineering, transportation and traffic engineering, geotechnical engineering, environmental engineering, water resources engineering, remote sensing and GIS applications. This book will be of potential interest to researchers and professionals working in sustainable civil engineering and related fields.
Geo-trekking in Ethiopia’s Tropical Mountains
This book is based on over 150 scientific papers about the Dogu’a Tembien district in Ethiopia. To reach a broader public of people interested in geosites and human-environment interactions, the authors here add a geoguide about this mountain district in Ethiopia(13°30’ N, 39°10’ E; upto 2850 m high) which shows a varied lithology. A large team has carried out research in that district over the past 23 years, including long stays in the areas. Numerous viewpoints and geosites are only accessible on foot; hence the authors prepared the book as a trekking guide, which will enhance sustainable tourism in the same time. This edited work summarises the study results in the international literature into a comprehensive book, which comprises 35 thematic chapters, detailed description of 573 km of trekking routes to access the landscape and the most scenic excursion points, as well as the necessary logistical information. A state-of-the-art trekking map is included as a digital annex.
Ethiopia
Annexes include names of members of the Council of Ministers of the Federal Democratic Republic, information on Tigray, Afar, Amhara, Oromo, Somali, Benishangul-Gumuz, Southern Ethiopia nations, nationalities and peoples regional state, Gambela, Harari and Addis Ababa regional states. Lists all registered political parties, Ethiopian diplomatic missions and associations (Addis Ababa Chamber of Commerce, Forum 84 and Inter Africa Group).
Doubled Haploid Production in Crop Plants
The production of doubled haploids has become a necessary tool in advanced plant breeding institutes and commercial companies for breeding many crop species. However, the development of new, more efficient and cheaper large scale production protocols has meant that doubled haploids are also recently being applied in less advanced breeding programmes. This Manual was prepared to stimulate the wider use of this technology for speeding and opening up new breeding possibilities for many crops including some woody tree species. Since the construction of genetic maps using molecular markers requires the development of segregating doubled haploid populations in numerous crop species, we hope that t...
Mixolab
Publishing high-quality food production applications handbooks is a hallmark of AACCI PRESS and Mixolab: A New Approach to Rheology is no exception. Increasing consumer demand for quality foods with superior nutritional value makes innovative tools like the Mixolab of increasing interest to food developers and producers. Operators, breeders, millers, researchers, product developers, formulators, and bakers will find answers to their questions, along with guidelines for maximizing the use of the Mixolab for a wide range of applications. Gaining a better understanding of the instrument's capabilities will assist in discovery of novel uses by both research and production professionals. Key Feat...
