Results 11 to 20 of about 118,006 (248)
NOMA cooperative relaying systems over Rician-Shadowed fading channels [PDF]
Bulletin of Natural Sciences Research, 2022 Non-orthogonal multiple Access (NOMA) is an efficient 5G technology that enables network spectral efficiency increase and network access latency. In order to additionally improve the reliability of transmission and increase the achievable rate of NOMA ...
Panić Stefan R., Khotnenok Sergei
doaj +1 more source
Sensors, 2019 Device-to-device (D2D) communication is a technique for direct communication between devices without going through a base station or other infrastructure.
Minjoong Rim, Eulhyeon Go
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IEEE Photonics Journal, 2010 The transmission performance of multichannel adaptively modulated optical orthogonal frequency-division multiplexing (AMOOFDM) signals is investigated numerically, for the first time, in optical-amplification-free and chromatic-dispersion-compensation ...
E. Giacoumidis +4 more
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OFDM transmission scheme with subcarrier supply index modulation
Tongxin xuebao, 2023 To address the drawback that subcarrier activation pattern (SAP) of the orthogonal frequency division multiplexing with index modulation (OFDM-IM) cannot match the binary numbers which affects the system performance, the orthogonal frequency division ...
Yi GUO +3 more
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Performance Analysis of Buffer-Aided Hybrid NOMA/OMA in Cooperative Uplink System
IEEE Access, 2019 This paper investigates a cooperative uplink system where two users wish to send messages to a base station with the help of a buffer-aided relay. Transmission modes in terms of both non-orthogonal multiple access (NOMA) and orthogonal multiple access ...
Peng Xu +4 more
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Cluster-Based Transmission Diversity Optimization in Ultra Reliable Low Latency Communication
Network, 2022 Intra-vehicular communication is an emerging technology explored spontaneously due to higher wireless sensor-based application demands. To meet the upcoming market demands, the current intra-vehicular communication transmission reliability and latency ...
Md. Amirul Hasan Shanto +4 more
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FULL-RATE SPACE-TIME BLOCK CODE FOR FOUR TRANSMIT ANTENNAS WITH LINEAR DECODING
Jordanian Journal of Computers and Information Technology, 2020 This paper proposes a new full-rate space-time block code for MIMO systems at four transmit antennas, which aims at minimizing the bit error rate with low-complexity decoding using ZF and MMSE linear detection techniques in Rayleigh fading channels ...
Younes Djemamar +2 more
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MIMO precoding for filter bank modulation systems based on PSVD [PDF]
, 2011 In this paper we consider the design of a linearly precoded MIMO transceiver based on filter bank (FB) modulation for transmission over broadband frequency selective fading channels.
Moret, Nicola +2 more
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IET Communications, 2021 Caching popular contents at base stations (BSs) can effectively avoid redundant data traffic and improve backhaul capacity. Techniques such as multicast (MC) and non‐orthogonal multiple access (NOMA) can significantly improve spectral efficiency by ...
Yue Shan, Qi Zhu, Ying Wang
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Decentralized Estimation over Orthogonal Multiple-access Fading Channels in Wireless Sensor Networks - Optimal and Suboptimal Estimators [PDF]
, 2010 Optimal and suboptimal decentralized estimators in wireless sensor networks (WSNs) over orthogonal multiple-access fading channels are studied in this paper. Considering multiple-bit quantization before digital transmission, we develop maximum likelihood
A Ribeiro +30 more
core +2 more sources