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Performance Optimization Analysis of 2D - OOSC Codeword for OCDMA System

Li Chuanqi,Sun Xiaohan,Zhang Mingde,Ding Dong

Strategic Study of CAE 2003, Volume 5, Issue 4,   Pages 50-54

Abstract:

The scheme of 2-dimensions optical orthogonal square codes (2D - OOSC) in optical code-division multiple-access(OCDMA) networks is given in this paper.proved that the relativity of the codeword satisfies the system requirement, and the system BER based on multiple

Keywords： optical code division multiple access (OCDMA)     2-dimensions optical orthogonal square codes (2D-OOSC)    

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Model division multiple access for semantic communications Research Article

Ping ZHANG, Xiaodong XU, Chen DONG, Kai NIU, Haotai LIANG, Zijian LIANG, Xiaoqi QIN, Mengying SUN, Hao CHEN, Nan MA, Wenjun XU, Guangyu WANG, Xiaofeng TAO,pzhang@bupt.edu.cn,xuxiaodong@bupt.edu.cn,dongchen@bupt.edu.cn,niukai@bupt.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 6,   Pages 801-812 doi: 10.1631/FITEE.2300196

Abstract: system resources generally include time, frequency, space, and power, so technologies such as time division(TDMA), frequency division (FDMA), space division (SDMA), code division (CDMA), and non-orthogonal

Keywords： Model division multiple access (MDMA)     Semantic communication     Multiple access    

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The V－BLAST Detection for MIMO MC－CDMA System

Yang Jie,Feng Guangzeng

Strategic Study of CAE 2007, Volume 9, Issue 1,   Pages 58-62

Abstract:

This paper investigates V-BLAST MC-CDMA down link.A V-BLAST detector per subcarrier is proposed for MIMO MC-CDMA system in this paper and the system performance with var ious numbers of V -BLAST antennas and users for such a system is evaluated throu gh simulations.

Keywords： multiple input multiple output(MIMO)     orthogonal frequency division multiplexing(OFDM)     layered space唱timecode(LST)     zero force(ZF)algorithm     minimum mean square error(MMSE)    

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Multiple-antenna techniques in nonorthogonalmultiple access: a review Regular Papers

Fei-yan TIAN, Xiao-ming CHEN

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 12,   Pages 1665-1697 doi: 10.1631/FITEE.1900405

Abstract: As a promising physical layer technique, nonorthogonal multiple access (NOMA) can admit multiple userssame space-time resource block, and thus improve the spectral efficiency and increase the number of accessTo solve these problems, multiple-antenna techniques have been widely used in NOMA systems by exploitingThis study provides a comprehensive review of various multiple-antenna techniques in NOMA systems, withIn particular, we provide a detailed investigation on multiple-antenna techniques in two-user, multiuser

Keywords： Nonorthogonal multiple access     Multiple-antenna technique     B5G     Internet of Things    

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Non-ideal space division multiple access and its application None

Ji-ying XIANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3,   Pages 357-366 doi: 10.1631/FITEE.1700827

Abstract: We study the performance of space division multiple access (SDMA) under a non-ideal engineering situationWhen the SDMA channel is of high inter-layer correlation and the condition number is large, the multipleuser multiple input and multiple output user equipment (MUMIMOUE) grouping should be optimized, and

Keywords： Fifth generation (5G)     Condition number     Channel reciprocity     Feedback mode     Non-feedback mode    

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Resource allocation for physical-layer security in OFDMAdownlinkwith imperfect CSI None

Wei YANG, Jing MAO, Chen CHEN, Xiang CHENG, Liu-qing YANG, Hai-ge XIANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3,   Pages 398-408 doi: 10.1631/FITEE.1700026

Abstract: We investigate the problem of resource allocation in a downlink orthogonal frequency-division multipleaccess (OFDMA) broadband network with an eavesdropper under the condition that both legitimate users

Keywords： Resource allocation     Orthogonal frequency-division multiple access (OFDMA)     Imperfect channel state information    

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Embracing non-orthogonalmultiple access in future wireless networks None

Zhi-guo DING, Mai XU, Yan CHEN, Mu-gen PENG, H. Vincent POOR

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3,   Pages 322-339 doi: 10.1631/FITEE.1800051

Abstract: provides a comprehensive survey of the impact of the emerging communication technique, non-orthogonal multipleaccess (NOMA), on future wireless networks.Particularly, how the NOMA principle affects the design of the generation multiple access techniquesThen the applications of NOMA to other advanced communication techniques, such as wireless caching, multiple-inputmultiple-output techniques, millimeter-wave communications, and cooperative relaying, are discussed.

Keywords： Non-orthogonal multiple access (NOMA)     Wireless caching     Multiple-input multiple-output (MIMO) NOMA     Cooperative    

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On Differentiation Among Pilot Signals of Multiple Mobile Targets in Retro-Reflective Beamforming for Article

Xin Wang, Long Li, Tie Jun Cui, Mingyu Lu

Engineering 2023, Volume 30, Issue 11,   Pages 55-62 doi: 10.1016/j.eng.2023.08.010

Abstract: study is conducted on several retro-reflective beamforming schemes for wireless power transmission to multipleThe experimental results demonstrate that, when multiple targets broadcast continuous-wave pilot signalsat respective frequencies, a retro-reflective wireless power transmitter is capable of generating multiplewireless power beams aiming at the respective targets as long as the multiple pilot signals are explicitlyHowever, various practical complications are identified when the pilot signals of multiple targets are

Keywords： Wireless power transmission     Microwave antenna array     Retro-reflective beamforming     Pilot signal     Multipleaccess    

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Polarizationmultiplexing based duplex radio-over-fiber link for millimeterwave signal transmission to a ring of multipleradio access units None

Tayyab MEHMOOD, Hina QAYYUM, Salman GHAFOOR

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 2,   Pages 300-306 doi: 10.1631/FITEE.1700056

Abstract: architecture is proposed, where millimeter wave (mm-wave) signals are transmitted to four different radio access

Keywords： Radio over fiber     Millimeter wave     Radio access units    

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Enhanced uplink non-orthogonalmultiple access for 5Gand beyond systems None

Wen-jia LIU, Xiao-lin HOU, Lan CHEN

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3,   Pages 340-356 doi: 10.1631/FITEE.1700842

Abstract: Uplink non-orthogonal multiple access (NOMA) is a promising technique to meet the requirements of theconnectivity and high reliability in 5G, where unequal average received power is exploited as part of the multipleaccess signature.0.1 block error rate (BLER) target can be achieved compared with existing NOMA schemes and orthogonal multipleaccess (OMA), respectively.

Keywords： Uplink non-orthogonal multiple access     Generalized Welch-bound equality     Multi-level received powers     Sequence    

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Aneffective approach for low-complexity maximumlikelihood based automatic modulation classification of STBC-MIMOsystems Article

Maqsood H. SHAH, Xiao-yu DANG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 3,   Pages 465-475 doi: 10.1631/FITEE.1800306

Abstract: likelihood methodology is proposed for automatic modulation classification of orthogonal space-time block code(STBC) based multiple-input multiple-output (MIMO) systems.

Keywords： Multiple-input multiple-output     Space-time block code     Maximum likelihood     Automatic modulation classification    

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A Multi-wavelength Star Optical Network Reusing All Channel Wavelengths Three Times and Its Features

Gan Chaoqin

Strategic Study of CAE 2002, Volume 4, Issue 10,   Pages 84-89

Abstract:

In this paper, a novel multi-wavelength star optical network reusing all channel wavelengths three

Keywords： wavelength division multiplexing     wavelength reuse     tunable wavelength router for multiwavelength selection    

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UNREDUCED MEGAGAMETOPHYTE FORMATION VIA SECOND DIVISION RESTITUTION CONTRIBUTES TO TETRAPLOID PRODUCTION

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract: heterozygosity rates in 16 SNP loci and all 2n megagametophytes were less than 50%, indicating that second division

Keywords： Citrus / 2n gamete / interploidy hybridization / pericentromeric SNP marker / second division restitution    

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Resource allocation for network profit maximization in NOMA-based F-RANs: a game-theoretic approach Research Article

Xueyan CAO, Shi YAN, Hongming ZHANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 10,   Pages 1546-1561 doi: 10.1631/FITEE.2100341

Abstract: network throughput, and this is made possible by edge computing and communication functions of the fog access

Keywords： Fog radio access network     Non-orthogonal multiple access     Game theory     Cache placement     Resource allocation    

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Compressed sensing-based structured joint channel estimation in a multi-user massive MIMO system Article

Ruo-yu ZHANG, Hong-lin ZHAO, Shao-bo JIA

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 12,   Pages 2082-2100 doi: 10.1631/FITEE.1601635

Abstract: accurate channel state information (CSI) at transmitters results in a huge pilot overhead in massive multipleinput multiple output (MIMO) systems due to the large number of antennas in the base station (BS).Then, by equipping each user with multiple antennas, the pilot overhead can be alleviated in the framework

Keywords： Compressed sensing     Multi-user massive multiple input multiple output (MIMO)     Frequency-division duplexing    

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Title Author Date Type Operation

Performance Optimization Analysis of 2D - OOSC Codeword for OCDMA System

Li Chuanqi,Sun Xiaohan,Zhang Mingde,Ding Dong

Journal Article

Model division multiple access for semantic communications

Ping ZHANG, Xiaodong XU, Chen DONG, Kai NIU, Haotai LIANG, Zijian LIANG, Xiaoqi QIN, Mengying SUN, Hao CHEN, Nan MA, Wenjun XU, Guangyu WANG, Xiaofeng TAO,pzhang@bupt.edu.cn,xuxiaodong@bupt.edu.cn,dongchen@bupt.edu.cn,niukai@bupt.edu.cn

Journal Article

The V－BLAST Detection for MIMO MC－CDMA System

Yang Jie,Feng Guangzeng

Journal Article

Multiple-antenna techniques in nonorthogonalmultiple access: a review

Fei-yan TIAN, Xiao-ming CHEN

Journal Article

Non-ideal space division multiple access and its application

Ji-ying XIANG

Journal Article

Resource allocation for physical-layer security in OFDMAdownlinkwith imperfect CSI

Wei YANG, Jing MAO, Chen CHEN, Xiang CHENG, Liu-qing YANG, Hai-ge XIANG

Journal Article

Embracing non-orthogonalmultiple access in future wireless networks

Zhi-guo DING, Mai XU, Yan CHEN, Mu-gen PENG, H. Vincent POOR

Journal Article

On Differentiation Among Pilot Signals of Multiple Mobile Targets in Retro-Reflective Beamforming for

Xin Wang, Long Li, Tie Jun Cui, Mingyu Lu

Journal Article

Polarizationmultiplexing based duplex radio-over-fiber link for millimeterwave signal transmission to a ring of multipleradio access units

Tayyab MEHMOOD, Hina QAYYUM, Salman GHAFOOR

Journal Article

Enhanced uplink non-orthogonalmultiple access for 5Gand beyond systems

Wen-jia LIU, Xiao-lin HOU, Lan CHEN

Journal Article

Aneffective approach for low-complexity maximumlikelihood based automatic modulation classification of STBC-MIMOsystems

Maqsood H. SHAH, Xiao-yu DANG

Journal Article

A Multi-wavelength Star Optical Network Reusing All Channel Wavelengths Three Times and Its Features

Gan Chaoqin

Journal Article

UNREDUCED MEGAGAMETOPHYTE FORMATION VIA SECOND DIVISION RESTITUTION CONTRIBUTES TO TETRAPLOID PRODUCTION

Journal Article

Resource allocation for network profit maximization in NOMA-based F-RANs: a game-theoretic approach

Xueyan CAO, Shi YAN, Hongming ZHANG

Journal Article

Compressed sensing-based structured joint channel estimation in a multi-user massive MIMO system

Ruo-yu ZHANG, Hong-lin ZHAO, Shao-bo JIA

Journal Article