Frequency divided group beamforming with sparse space‐frequency code for above 6 GHz URLLC systems
In this study, we propose a limited feedback‐based frequency divided group beamforming with sparse space‐frequency transmit diversity coded orthogonal frequency division multiplexing (OFDM) system for ultrareliable low latency communication (URLLC) scenario. The proposed scheme has several advantage...
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| Vydané v: | ETRI journal Ročník 44; číslo 6; s. 925 - 935 |
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| Hlavní autori: | , , , |
| Médium: | Journal Article |
| Jazyk: | English |
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한국전자통신연구원
01.12.2022
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| ISSN: | 1225-6463, 2233-7326 |
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| Abstract | In this study, we propose a limited feedback‐based frequency divided group beamforming with sparse space‐frequency transmit diversity coded orthogonal frequency division multiplexing (OFDM) system for ultrareliable low latency communication (URLLC) scenario. The proposed scheme has several advantages over the traditional hybrid beamforming approach, including not requiring downlink channel state information for baseband precoding, supporting distributed multipoint transmission structures for diversity, and reducing beam sweeping latency with little uplink overhead. These are all positive aspects of physical layer characteristics intended for URLLC. It is suggested in the system to manage the multipoint transmission structure realized by distributed panels using a power allocation method based on cooperative game theory. Link‐level simulations demonstrate that the proposed scheme offers reliability by achieving both higher diversity order and array gain in a non‐line‐of‐sight channel of selectivity and limited spatial scattering. |
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| AbstractList | In this study, we propose a limited feedback-based frequency divided group beamforming with sparse space-frequency transmit diversity coded orthogonal frequency division multiplexing (OFDM) system for ultrareliable low latency communication (URLLC) scenario. The proposed scheme has several advantages over the traditional hybrid beamforming approach, including not requiring downlink channel state information for baseband precoding, supporting distributed multipoint transmission structures for diversity, and reducing beam sweeping latency with little uplink overhead. These are all positive aspects of physical layer characteristics intended for URLLC. It is suggested in the system to manage the multi-point transmission structure realized by distributed panels using a power allocation method based on cooperative game theory. Link-level simulations demonstrate that the proposed scheme offers reliability by achieving both higher diversity order and array gain in a nonline-of-sight channel of selectivity and limited spatial scattering. KCI Citation Count: 2 In this study, we propose a limited feedback‐based frequency divided group beamforming with sparse space‐frequency transmit diversity coded orthogonal frequency division multiplexing (OFDM) system for ultrareliable low latency communication (URLLC) scenario. The proposed scheme has several advantages over the traditional hybrid beamforming approach, including not requiring downlink channel state information for baseband precoding, supporting distributed multipoint transmission structures for diversity, and reducing beam sweeping latency with little uplink overhead. These are all positive aspects of physical layer characteristics intended for URLLC. It is suggested in the system to manage the multipoint transmission structure realized by distributed panels using a power allocation method based on cooperative game theory. Link‐level simulations demonstrate that the proposed scheme offers reliability by achieving both higher diversity order and array gain in a non‐line‐of‐sight channel of selectivity and limited spatial scattering. |
| Author | Yoon, Chanho Cho, Woncheol Chang, Kapseok Ko, Young‐Jo |
| Author_xml | – sequence: 1 givenname: Chanho orcidid: 0000-0001-6421-820X surname: Yoon fullname: Yoon, Chanho email: chyoon@etri.re.kr organization: Electronics Telecommunications Research Institute – sequence: 2 givenname: Woncheol orcidid: 0000-0001-7787-1101 surname: Cho fullname: Cho, Woncheol organization: Electronics Telecommunications Research Institute – sequence: 3 givenname: Kapseok surname: Chang fullname: Chang, Kapseok organization: Electronics Telecommunications Research Institute – sequence: 4 givenname: Young‐Jo surname: Ko fullname: Ko, Young‐Jo organization: Electronics Telecommunications Research Institute |
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| Notes | Funding information This research was supported by the Institute of Information Communications Technology Planning Evaluation, grant/award number: 2018‐0‐00218 Institute of Information & Communications Technology Planning & Evaluation, Grant/Award Number: 2018‐0‐00218 https://doi.org/10.4218/etrij.2022-0207 |
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| SubjectTerms | above 6 GHz hybrid beamforming power allocation URLLC 전자/정보통신공학 |
| Title | Frequency divided group beamforming with sparse space‐frequency code for above 6 GHz URLLC systems |
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