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Faster than Nyquist Signaling

Faster than Nyquist Signaling

Deepak Dasalukunte; Viktor Öwall; Fredrik Rusek; John B. Anderson

Springer International Publishing AG
2014
sidottu
This book addresses the challenges and design trade-offs arising during the hardware design of Faster-than-Nyquist (FTN) signaling transceivers. The authors describe how to design for coexistence between the FTN system described and Orthogonal frequency-division multiplexing (OFDM) systems, enabling readers to design FTN specific processing blocks as add-ons to the conventional transceiver chain.• Provides a comprehensive introduction to Faster-than-Nyquist (FTN) signaling transceivers, covering both theory and hardware implementation; • Enables readers to design systems that achieve bandwidth efficiency by making better use of the available spectrum resources;• Describes design techniques to achieve 2x improvement in bandwidth usage with similar performance as that of an OFDM system.
Operators for Similarity Search

Operators for Similarity Search

Deepak P; Prasad M. Deshpande

Springer International Publishing AG
2015
nidottu
This book provides a comprehensive tutorial on similarity operators. The authors systematically survey the set of similarity operators, primarily focusing on their semantics, while also touching upon mechanisms for processing them effectively.The book starts off by providing introductory material on similarity search systems, highlighting the central role of similarity operators in such systems. This is followed by a systematic categorized overview of the variety of similarity operators that have been proposed in literature over the last two decades, including advanced operators such as RkNN, Reverse k-Ranks, Skyline k-Groups and K-N-Match. Since indexing is a core technology in the practical implementation of similarity operators, various indexing mechanisms are summarized. Finally, current research challenges are outlined, so as to enable interested readers to identify potential directions for future investigations. In summary, this book offers a comprehensive overview of the field of similarity search operators, allowing readers to understand the area of similarity operators as it stands today, and in addition providing them with the background needed to understand recent novel approaches.
Faster than Nyquist Signaling

Faster than Nyquist Signaling

Deepak Dasalukunte; Viktor Öwall; Fredrik Rusek; John B. Anderson

Springer International Publishing AG
2016
nidottu
This book addresses the challenges and design trade-offs arising during the hardware design of Faster-than-Nyquist (FTN) signaling transceivers. The authors describe how to design for coexistence between the FTN system described and Orthogonal frequency-division multiplexing (OFDM) systems, enabling readers to design FTN specific processing blocks as add-ons to the conventional transceiver chain.• Provides a comprehensive introduction to Faster-than-Nyquist (FTN) signaling transceivers, covering both theory and hardware implementation; • Enables readers to design systems that achieve bandwidth efficiency by making better use of the available spectrum resources;• Describes design techniques to achieve 2x improvement in bandwidth usage with similar performance as that of an OFDM system.
Volatile and Non-volatile Constituents of family Gentineaceae

Volatile and Non-volatile Constituents of family Gentineaceae

Deepak Chandra

LAP Lambert Academic Publishing
2018
pokkari
The Himalayan region has a great wealth of medicinal plants with people having traditional medicinal knowledge. Medicinal plants have played an important role of primary health care system among the local people of Himalayan region. Since time immemorial Himalayas are famous for its rich medicinal and aromatic plant biodiversity. The varying soils, topography and occurrence of different climatic and micro-climatic zones of the region provide very congenial condition to grow a number of therapeutically important medicinal plant species. The Uttarakhand comprises of 13 districts of Kumaun and Garhwal region, 8 hilly districts collectively known as Uttarakhand Himalaya, situated in the centre of north western Himalayan region. The Uttarakhand Himalaya has a rich heritage of medicinal and aromatic flora. Several herbs possess odoriferous principles and are used as raw material for phytochemical, pharmaceuticals, perfumery, food, condiments and flavours based industries.