Search Results - "Mehta, Neelesh B"
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Voluntary Energy Harvesting Relays and Selection in Cooperative Wireless Networks
Published in IEEE transactions on wireless communications (01-11-2010)“…The use of energy harvesting (EH) nodes as cooperative relays is a promising and emerging solution in wireless systems such as wireless sensor networks. It…”
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2
Inter-Numerology Interference in Mixed Numerology OFDM Systems in Time-Varying Fading Channels With Phase Noise
Published in IEEE transactions on wireless communications (01-08-2023)“…Mixed numerology has been adopted in the orthogonal frequency division multiplexing-based physical layer of 5G new radio (NR) to serve diverse use cases and…”
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3
An Accurate Model for EESM and its Application to Analysis of CQI Feedback Schemes and Scheduling in LTE
Published in IEEE transactions on wireless communications (01-10-2011)“…The Effective Exponential SNR Mapping (EESM) is an indispensable tool for analyzing and simulating next generation orthogonal frequency division multiplexing…”
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4
Optimal Time and Power Allocation for Phase-Shift Configuration and Downlink Channel Estimation in RIS-Aided Systems
Published in IEEE transactions on wireless communications (01-08-2024)“…A fundamental trade-off exists between the time and energy allocated to pilots and data, accuracy of channel estimates, and data rate in a reconfigurable…”
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Power and Discrete Rate Adaptation in Wideband NOMA in Frequency-Selective Channels
Published in IEEE transactions on wireless communications (01-05-2024)“…Power-domain non-orthogonal multiple access (NOMA) superimposes signals of multiple users and transmits them simultaneously. To be implemented in 5G and beyond…”
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Modeling and Analysis of Differential CQI Feedback in 4G/5G OFDM Cellular Systems
Published in IEEE transactions on wireless communications (01-04-2019)“…Reduced feedback schemes are crucial in achieving the high data rates expected of orthogonal frequency-division multiplexing-based 4G and 5G cellular systems…”
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Optimal Energy-Efficient Antenna Selection and Power Adaptation for Interference-Outage Constrained Underlay Spectrum Sharing
Published in IEEE transactions on communications (01-09-2022)“…Underlay spectrum sharing addresses spectrum scarcity but imposes constraints on the interference the secondary system causes to the primary receiver. For a…”
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Exploiting Correlation With Wideband CQI and Making Differential Feedback Overhead Flexible in 4G/5G OFDM Systems
Published in IEEE transactions on wireless communications (01-04-2021)“…Differential channel quality indicator (CQI) and wideband CQI are key components of the reduced feedback schemes employed in the 5G New Radio (NR) and 4G Long…”
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Exploiting Power Adaptation With Transmit Antenna Selection for Interference-Outage Constrained Underlay Spectrum Sharing
Published in IEEE transactions on communications (01-01-2020)“…In underlay spectrum sharing, the interference constraint limits transmissions by the secondary transmitter, which concurrently accesses the spectrum, to…”
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10
Statistical CSI Driven Transmit Antenna Selection and Power Adaptation in Underlay Spectrum Sharing Systems
Published in IEEE transactions on communications (01-05-2021)“…In underlay spectrum sharing, transmit antenna selection (TAS) improves the performance of a secondary system and helps it control the interference it causes…”
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11
User-Pair Scheduling and Mode Selection in Asymmetric Full-Duplex Systems With Limited Feedback: Algorithm and Scaling Laws
Published in IEEE transactions on wireless communications (01-05-2021)“…Determining which users to simultaneously schedule on the uplink and the downlink in a full-duplex (FD) system is crucial to control the inter-user…”
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12
Multi-Connectivity for URLLC and Coexistence with eMBB in Time-Varying and Frequency-Selective Fading Channels
Published in IEEE transactions on wireless communications (01-06-2023)“…Multi-connectivity enables a 5G cellular system to meet the challenging reliability requirements of downlink ultra-reliable low-latency communication (URLLC)…”
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13
Transmit Antenna Selection for Interference-Outage Constrained Underlay CR
Published in IEEE transactions on communications (01-09-2018)“…Transmit antenna selection (TAS) is a technique that achieves better performance than a single antenna system while using the same number of radio frequency…”
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Interplay Between Interference-Aware Resource Allocation Algorithm Design, CSI, and Feedback in Underlay D2D Networks
Published in IEEE transactions on wireless communications (01-05-2022)“…A key problem in underlay device-to-device (D2D) systems is assigning cellular users and D2D users to subchannels to improve spatial reuse while controlling…”
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15
Millimeter-Wave Beam Selection in Time-Varying Channels With User Orientation Changes
Published in IEEE transactions on wireless communications (01-11-2021)“…The use of many narrow beams to overcome the adverse propagation conditions in millimeter-wave channels leads to large training durations and overheads in 5G…”
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Rate-Optimal Relay Selection for Average Interference-Constrained Underlay CR
Published in IEEE transactions on communications (01-12-2017)“…Cooperative relaying combined with selection exploits spatial diversity to improve the performance of interference-constrained secondary users in an underlay…”
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Impact of Multiple Primaries and Partial CSI on Transmit Antenna Selection for Interference-Outage Constrained Underlay CR
Published in IEEE transactions on wireless communications (01-02-2019)“…Transmit antenna selection is a low-complexity multiple-antenna technique that exploits spatial diversity using only one radio frequency chain. We investigate…”
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Resource and Computationally Efficient Subchannel Allocation for D2D in Multi-Cell Scenarios With Partial and Asymmetric CSI
Published in IEEE transactions on wireless communications (01-12-2019)“…In underlay device-to-device (D2D) communication, assigning more D2D pairs to a subchannel can increase the spectral efficiency but it also increases the…”
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Design and Network Topology-Specific Renewal-Theoretic Analysis of a MAC Protocol for Asymmetric Full-Duplex WLANs
Published in IEEE transactions on communications (01-12-2019)“…The asymmetric network model, in which the access point (AP) is full-duplex (FD) capable while the other nodes are only half-duplex (HD) capable, is motivated…”
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EESM-Based Link Adaptation in Point-to-Point and Multi-Cell OFDM Systems: Modeling and Analysis
Published in IEEE transactions on wireless communications (01-01-2014)“…In contemporary wideband orthogonal frequency division multiplexing (OFDM) systems, such as Long Term Evolution (LTE) and WiMAX, different subcarriers over…”
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