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2 articles for “DDC”
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Research on Document Delivery Services in Libraries & Information Centers: A Glimpse
Abstract: This paper discusses Document Delivery Service and its uses in library as well as information center. Document delivery service (DDS) or document supply service “refers to the physical or electronic delivery of a document from a library collection to the residence or place of business of a library user, upon request.” Document delivery has always been heart of the services offered by libraries, publishers and other organizations to their users. …
Published in Journal of Advancements in Library Sciences · Vol. 11, Issue 2, 2024 Read article
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Comprehensive Study of Least Squares Estimation in Fast Fading MIMO-OFDM Systems
Abstract: MIMO-OFDM technology is now the foundation for modern wireless communication systems, allowing dramatic improvements in spectral efficiency, power efficiency, and transmission rate. On the other hand, the least accurate channel estimation is still a critical task, especially when they are in fast-fading environments. This study gives a comprehensive survey of LSE-based approaches and their applications on different fast-fading channel models for MIMO-OFDM systems. Techniques like Pilot Assisted Channel Estimation (PACE), …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 1, 2025 · pp. 13–21 Read article