The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Kertas kerja ini menambah baik skim penindasan pautan atas separa buta yang kami cadangkan sebelum ini untuk sistem MIMO besar berbilang pengguna berbilang sel dengan menggabungkan pendekatan ruang pancaran. Algoritma modulus malar (CMA), skema tatasusunan suai buta yang diketahui, boleh mengeksploitasi sepenuhnya tahap kebebasan (DoF) yang ditawarkan oleh tatasusunan antena besar-besaran untuk menyekat gangguan antara pengguna (IUI) dan gangguan antara sel (ICI). Malangnya, CMA membazirkan banyak manfaat DoF untuk kemudi nol walaupun bilangan isyarat masuk adalah kurang daripada bilangan elemen antena penerima. Cadangan baharu kami memperkenalkan kaedah beamspace yang merosot bilangan input tatasusunan untuk CMA daripada elemen-ruang kepada beamspace. Ia boleh mengawal DoF yang dibelanjakan untuk penindasan gangguan seterusnya oleh CMA. Mengoptimumkan perolehan pembentuk pancaran tatasusunan dan keupayaan stereng nol, boleh meningkatkan lagi nisbah kuasa isyarat kepada gangguan dan bunyi (SINR) keluaran. Simulasi komputer mengesahkan bahawa cadangan baharu kami mengurangkan bilangan simbol data yang diperlukan sebanyak 34.6%. Di samping itu, SINR persentil ke-5 juga dipertingkatkan sebanyak 14.3dB.
Kazuki MARUTA
Chiba University
Chang-Jun AHN
Chiba University
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Salinan
Kazuki MARUTA, Chang-Jun AHN, "Improving Semi-Blind Uplink Interference Suppression on Multicell Massive MIMO Systems: A Beamspace Approach" in IEICE TRANSACTIONS on Communications,
vol. E102-B, no. 8, pp. 1503-1511, August 2019, doi: 10.1587/transcom.2018TTP0005.
Abstract: This paper improves our previously proposed semi-blind uplink interference suppression scheme for multicell multiuser massive MIMO systems by incorporating the beamspace approach. The constant modulus algorithm (CMA), a known blind adaptive array scheme, can fully exploit the degree of freedom (DoF) offered by massive antenna arrays to suppress inter-user interference (IUI) and inter-cell interference (ICI). Unfortunately, CMA wastes a lot of the benefit of DoF for null-steering even when the number of incoming signal is fewer than that of receiving antenna elements. Our new proposal introduces the beamspace method which degenerates the number of array input for CMA from element-space to beamspace. It can control DoF expended for subsequent interference suppression by CMA. Optimizing the array beamforming gain and null-steering ability, can further improve the output signal-to-interference and noise power ratio (SINR). Computer simulation confirmed that our new proposal reduced the required number of data symbols by 34.6%. In addition, the 5th percentile SINR was also improved by 14.3dB.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2018TTP0005/_p
Salinan
@ARTICLE{e102-b_8_1503,
author={Kazuki MARUTA, Chang-Jun AHN, },
journal={IEICE TRANSACTIONS on Communications},
title={Improving Semi-Blind Uplink Interference Suppression on Multicell Massive MIMO Systems: A Beamspace Approach},
year={2019},
volume={E102-B},
number={8},
pages={1503-1511},
abstract={This paper improves our previously proposed semi-blind uplink interference suppression scheme for multicell multiuser massive MIMO systems by incorporating the beamspace approach. The constant modulus algorithm (CMA), a known blind adaptive array scheme, can fully exploit the degree of freedom (DoF) offered by massive antenna arrays to suppress inter-user interference (IUI) and inter-cell interference (ICI). Unfortunately, CMA wastes a lot of the benefit of DoF for null-steering even when the number of incoming signal is fewer than that of receiving antenna elements. Our new proposal introduces the beamspace method which degenerates the number of array input for CMA from element-space to beamspace. It can control DoF expended for subsequent interference suppression by CMA. Optimizing the array beamforming gain and null-steering ability, can further improve the output signal-to-interference and noise power ratio (SINR). Computer simulation confirmed that our new proposal reduced the required number of data symbols by 34.6%. In addition, the 5th percentile SINR was also improved by 14.3dB.},
keywords={},
doi={10.1587/transcom.2018TTP0005},
ISSN={1745-1345},
month={August},}
Salinan
TY - JOUR
TI - Improving Semi-Blind Uplink Interference Suppression on Multicell Massive MIMO Systems: A Beamspace Approach
T2 - IEICE TRANSACTIONS on Communications
SP - 1503
EP - 1511
AU - Kazuki MARUTA
AU - Chang-Jun AHN
PY - 2019
DO - 10.1587/transcom.2018TTP0005
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E102-B
IS - 8
JA - IEICE TRANSACTIONS on Communications
Y1 - August 2019
AB - This paper improves our previously proposed semi-blind uplink interference suppression scheme for multicell multiuser massive MIMO systems by incorporating the beamspace approach. The constant modulus algorithm (CMA), a known blind adaptive array scheme, can fully exploit the degree of freedom (DoF) offered by massive antenna arrays to suppress inter-user interference (IUI) and inter-cell interference (ICI). Unfortunately, CMA wastes a lot of the benefit of DoF for null-steering even when the number of incoming signal is fewer than that of receiving antenna elements. Our new proposal introduces the beamspace method which degenerates the number of array input for CMA from element-space to beamspace. It can control DoF expended for subsequent interference suppression by CMA. Optimizing the array beamforming gain and null-steering ability, can further improve the output signal-to-interference and noise power ratio (SINR). Computer simulation confirmed that our new proposal reduced the required number of data symbols by 34.6%. In addition, the 5th percentile SINR was also improved by 14.3dB.
ER -