Results 171 to 180 of about 8,730 (217)
How evaluation choices distort the outcome of generative drug discovery. [PDF]
Özçelik R, Grisoni F.
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Flexible Duplex in FDD Spectrum
2017 IEEE International Conference on Communications Workshops (ICC Workshops), 2017In this paper, flexible frequency division duplex (FDD) and time division duplex (TDD) schemes are considered in FDD spectrum. With FDD spectrum, there is a paired uplink (UL) carrier with each downlink (DL) carrier, each carrier with the same bandwidth.
Krishna Balachandran +2 more
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FDD-RT: A Simple CSI Acquisition Technique via Channel Reciprocity for FDD Massive MIMO Downlink
IEEE Systems Journal, 2018We propose a channel state information acquisition mechanism to reduce the training overhead in frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) downlink (DL). While the massive MIMO has demonstrated the great potentials in many aspects, the carrier multiplexing designs in massive MIMO mostly adopt time-division ...
Sy-Yen Kuo, Wei-Ho Chung
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VAVAC systems modeling and simulation for FDD applications
Faulty operation of HVAC systems can lead to discomfort for the occupants, energy wastage, unreliability and shorter equipment life. Cost-effective Fault Detection and Diagnosis (FDD) methods can therefore ensure an increase in the system uptime, reliability, and overall efficiency.
BEGHI, ALESSANDRO +3 more
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FDDS: An Integrated Conceptual FDDS Framework for DDS Based Middleware
2019 International Conference on Communication and Electronics Systems (ICCES), 2019Data Distribution Services (DDS) has changed the way of the development process for complex distributed systems by tightly coupling QoS policies for achieving desired functionality at execution time. DDS middleware can be configured to handle edge-to-edge quality of service (QoS) policies.
Mukesh Kumar, Awadhesh Kumar Singh
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Efficient resource allocation for M2M half duplex FDD (H-FDD) systems
2013 Fifth International Conference on Ubiquitous and Future Networks (ICUFN), 2013Machine to machine (M2M) communications among machines without human intervention have attracted more and more prominence due to high market potential in the near future. In this article, we propose a heuristic algorithm of allocating weighted per-user data rates for half duplex frequency division duplexing (H-FDD), and show how much performance gain ...
Jihwan P. Choi +3 more
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Bi-Directional Training for FDD Systems
2019 IEEE Global Communications Conference (GLOBECOM), 2019We study distributed algorithms for joint adaptation of precoding and combining filters in frequency-division duplex (FDD) multiple-input multiple-output (MIMO) cellular systems. Neither the base stations nor the mobiles have a priori channel state information, and the transmit/receive filters are directly adapted through training.
Hao Zhou 0036 +3 more
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Journal of VLSI signal processing systems for signal, image and video technology, 2004
This paper addresses the initial acquisition for the UMTS-FDD W-CDMA standard. It presents an innovative cell searcher design optimized for acquisition speed and low power consumption [1]. The proposed architecture relies on a memory-based digital matched filter with permuted processing order.
Nicolas Darbel +3 more
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This paper addresses the initial acquisition for the UMTS-FDD W-CDMA standard. It presents an innovative cell searcher design optimized for acquisition speed and low power consumption [1]. The proposed architecture relies on a memory-based digital matched filter with permuted processing order.
Nicolas Darbel +3 more
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Coexistence of FDD flexible duplexing networks
2017 European Conference on Networks and Communications (EuCNC), 2017We study the coexistence of FDD flexible duplexing systems, where a cellular network may use FDD uplink band for downlink transmission. As a result, adjacent channel emissions will change, with an effect to networks operating on adjacent channels. To stabilize the adjacent channel interference, equalizing downlink power control is considered, such that
Lembo, S. +4 more
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Directional Training for FDD Massive MIMO
IEEE Transactions on Wireless Communications, 2018A key challenge for frequency-division duplexing (FDD) massive multi-input multi-output (MIMO) is the large overhead in acquiring channel state information (CSI) for transmits beamforming. In this paper, we propose a scalable method called directional training to obtain downlink CSI.
Xing Zhang 0011 +2 more
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