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1
Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3179115
Abstract: Reconfigurable intelligent surface (RIS) has been proven to be a promising technology for improving the performance of future wireless systems. However, since conventional RIS can only reflect or transmit (i.e., refract) incident signals, it limits…
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Keywords:
power;
star ris;
transmission reflection;
ris ... See more keywords
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2
Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3278985
Abstract: In this paper, we investigate simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS), which enables to communicate with users in both sides by transmitting signals to users forward and reflecting signals to users backward simultaneously.…
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Keywords:
star ris;
communication system;
energy;
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1
Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3204893
Abstract: We focus on the sum-rate performance of a full-duplex (FD) communication system assisted by a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). Contrary to previous work, we account for the unavoidable spatial correlation at…
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Keywords:
full duplex;
star ris;
maximization;
correlation ... See more keywords
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2
Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3223968
Abstract: In this letter, we first incorporate the concept of index modulation (IM) into simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided non-orthogonal multiple access (NOMA) system to improve the spectral efficiency. Specifically, the proposed…
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Keywords:
star ris;
noma system;
star;
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2
Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2023.3233980
Abstract: Reconfigurable intelligence surface (RIS) is regarded as one of the key technologies for the future wireless communications. Recently, simultaneous transmission and reflection (STAR) RIS is proposed to overcome the geographical constraint of the conventional reflection…
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Keywords:
ris enabled;
enabled downlink;
star ris;
downlink secure ... See more keywords
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3
Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2023.3261442
Abstract: Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) has been regarded as a revolutionary technology for the sixth generation (6G) mobile networks. This letter investigates the transmission scheme for mobile STAR-RIS-assisted non-orthogonal multiple access (NOMA)…
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Keywords:
star ris;
noma system;
star;
mobile star ... See more keywords
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1
Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3188443
Abstract: This letter studies the performance of the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided non-orthogonal multiple access (NOMA) networks in support of ultra-reliable low-latency communications. We adopt effective capacity (EC) as the metric…
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Keywords:
star ris;
inline formula;
tex math;
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2
Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3204353
Abstract: In this letter, we study the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted unmanned aerial vehicle (UAV) communications. Our goal is to maximize the sum rate of all users by jointly optimizing the…
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Keywords:
joint optimization;
star ris;
ris assisted;
optimization star ... See more keywords
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1
Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3205703
Abstract: Different from conventional reconfigurable intelligent surface, simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) can provide service for the users within 360° coverage. In this letter, we discuss a power minimization problem for STAR-RIS-empowered uplink…
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Keywords:
star ris;
power minimization;
power;
transmit power ... See more keywords
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3
Published in 2023 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2023.3236411
Abstract: In this letter, we investigate a novel simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided mobile edge computing (MEC) system. Our object is to minimize the sum energy consumption of all users by jointly…
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Keywords:
ris aided;
energy;
star ris;
resource allocation ... See more keywords
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1
Published in 2022 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3198121
Abstract: The paper explores simultaneous transmitting and reflecting (STAR) reconfigurable intelligent surface (RIS)-aided rate-splitting multiple access (RSMA) communication. A base-station (BS) transmits information to the cell-edge users which are assisted by the STAR RIS in such…
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Keywords:
star ris;
spatially correlated;
ris;
rate splitting ... See more keywords