Vol. 63, No. 4, 2020

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Secure routing and transmission scheme for space-ocean broadband wireless network
Fu, Yuzhou; Jiang, Chuan-Ao; Qin, Yurong; Yin, Liuguo
Sci China Inf Sci, 2020, 63(4): 149303
Keywords: Security; Routing; Transmission scheme; Space-ocean network; Relay; Network efficiency
Cite as: Fu Y Z, Jiang C-A, Qin Y R, et al. Secure routing and transmission scheme for space-ocean broadband wireless network. Sci China Inf Sci, 2020, 63(4): 149303, doi: 10.1007/s11432-018-9876-6

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Joint SAR imaging and wireless communication using the FBMC chirp waveform
Zhu, Kehong; Wang, Jie; Liang, Xingdong; Chen, Longyong; Li, Yanlei; Bu, Xiangxi; Wu, Yirong
Sci China Inf Sci, 2020, 63(4): 149302
Keywords: Joint Synthetic Aperture Radar; SAR; Filter bank Multi-Carrier; FBMC; Orthogonal Frequency Division Multiplexing; OFDM; chirp signal; channel estimation
Cite as: Zhu K H, Wang J, Liang X D, et al. Joint SAR imaging and wireless communication using the FBMC chirp waveform. Sci China Inf Sci, 2020, 63(4): 149302, doi: 10.1007/s11432-018-9830-1

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On the parity-check matrix of generalized concatenated code
Shi, Sha; Liu, Yang; Yan, Junzhi; Gao, Jingliang; Wang, Yunjiang
Sci China Inf Sci, 2020, 63(4): 149301
Keywords: Information theory; Error-correcting codes; Multi-level concatenation; Parity-check matrix; Finite field; Coding Theory
Cite as: Shi S, Liu Y, Yan J Z, et al. On the parity-check matrix of generalized concatenated code. Sci China Inf Sci, 2020, 63(4): 149301, doi: 10.1007/s11432-019-9871-y

Vol. 63, No. 2, 2020

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Phase tracking approach for TDOA measurements in critical lunar spaceflights
Hao, Wanhong; Cheng, Cheng; Mo, Daihui; Zhang, Zhenghao; Li, Haitao
Sci China Inf Sci, 2020, 63(2): 129304
Keywords: deep space; powered flight; TDOA; signal correlation; differential phase estimation
Cite as: Hao W H, Cheng C, Mo D H, et al. Phase tracking approach for TDOA measurements in critical lunar spaceflights. Sci China Inf Sci, 2020, 63(2): 129304, doi: 10.1007/s11432-018-9812-x

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A data analysis of political polarization using random matrix theory
Chen, Hui; Tao, Xiaofeng; Li, Na; Han, Zhu
Sci China Inf Sci, 2020, 63(2): 129303
Keywords: Data Analysis; Political Polarization; Random Matrix Theory; Spectral Distribution; Free Probability
Cite as: Chen H, Tao X F, Li N, et al. A data analysis of political polarization using random matrix theory. Sci China Inf Sci, 2020, 63(2): 129303, doi: 10.1007/s11432-019-9841-4

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Joint optimizing of interleaving and LDPC decoding for burst errors in PON systems
Zhang, Lei; Yang, Chuanchuan; Zhang, Fan
Sci China Inf Sci, 2020, 63(2): 129302
Keywords: passive optical network; PON; upstream channel; burst error; low-density parity-check code; LDPC; Gaussian approximation; GA
Cite as: Zhang L, Yang C C, Zhang F. Joint optimizing of interleaving and LDPC decoding for burst errors in PON systems. Sci China Inf Sci, 2020, 63(2): 129302, doi: 10.1007/s11432-018-9831-6

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Extraction of a target in sea clutter via signal decomposition
Shao, Zhiyu; He, Jiangheng; Feng, Shunshan
Sci China Inf Sci, 2020, 63(2): 129301
Keywords: sea clutter; signal decomposition; Morphological component analysis; fractional Fourier transform; short-time Fourier transform
Cite as: Shao Z Y, He J H, Feng S S. Extraction of a target in sea clutter via signal decomposition. Sci China Inf Sci, 2020, 63(2): 129301, doi: 10.1007/s11432-018-9859-4

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Locally repairable codes from combinatorial designs
Zhang Y, Kan H B
Sci China Inf Sci, 2020, 63(2): 122304
Cite as: Zhang Y, Kan H B. Locally repairable codes from combinatorial designs. Sci China Inf Sci, 2020, 63(2): 122304, doi: 10.1007/s11432-019-2649-5

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Quasi-concave optimization of secrecy redundancy rate in HARQ-CC system
Wu Y, Yin S S, Zhou J, et al
Sci China Inf Sci, 2020, 63(2): 122303
Cite as: Wu Y, Yin S S, Zhou J, et al. Quasi-concave optimization of secrecy redundancy rate in HARQ-CC system. Sci China Inf Sci, 2020, 63(2): 122303, doi: 10.1007/s11432-019-2660-3

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Joint utility optimization for wireless sensor networks with energy harvesting and cooperation
Zhu P C, Xu B Q, Li J M, et al
Sci China Inf Sci, 2020, 63(2): 122302
Cite as: Zhu P C, Xu B Q, Li J M, et al. Joint utility optimization for wireless sensor networks with energy harvesting and cooperation. Sci China Inf Sci, 2020, 63(2): 122302, doi: 10.1007/s11432-019-9936-y

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Storage and repair bandwidth tradeoff for heterogeneous cluster distributed storage systems
Wang J Z, Luo Y, Shum K W
Sci China Inf Sci, 2020, 63(2): 122301
Cite as: Wang J Z, Luo Y, Shum K W. Storage and repair bandwidth tradeoff for heterogeneous cluster distributed storage systems. Sci China Inf Sci, 2020, 63(2): 122301, doi: 10.1007/S11432-019-9937-7

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Physical layer security for massive access in cellular Internet of Things
Qi Q, Chen X M, Zhong C J, et al
Sci China Inf Sci, 2020, 63(2): 121301
Cite as: Qi Q, Chen X M, Zhong C J, et al. Physical layer security for massive access in cellular Internet of Things. Sci China Inf Sci, 2020, 63(2): 121301, doi: 10.1007/s11432-019-2650-4

Vol. 62, No. 10, 2019 Cover Contents

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Angular domain precoding-based PAPR reduction for massive MIMO systems
Liu, Ting; Ni, Luyao; Jin, Shi; You, Xiaohu
Sci China Inf Sci, 2019, 62(10): 209306
Keywords: Angle division multiple access; ADMA; discrete Fourier transform; DFT; massive multiple-input multiple-output; MIMO; peak-to-average power ratio; PAPR; precoding
Cite as: Liu T, Ni L Y, Jin S, et al. Angular domain precoding-based PAPR reduction for massive MIMO systems. Sci China Inf Sci, 2019, 62(10): 209306, doi: 10.1007/s11432-019-9805-9

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Two classes of QC-LDPC cycle codes approaching Gallager lower bound
Xu, Hengzhou; Li, Huaan; Xu, Mengmeng; Feng, Dan; Zhu, Hai
Sci China Inf Sci, 2019, 62(10): 209305
Keywords: Nonbinary LDPC cycle codes; quasi-cyclic LDPC codes; QC LDPC codes; girth; cycle distribution; isomorphism
Cite as: Xu H Z, Li H A, Xu M M, et al. Two classes of QC-LDPC cycle codes approaching Gallager lower bound. Sci China Inf Sci, 2019, 62(10): 209305, doi: 10.1007/s11432-018-9778-x

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Keywords: optical orthogonal codes; low correlation zone; theoretical bounds; frequency hopping sequences; interleaving technology
Cite as: Xu C Q. Bounds and constructions of optimal optical orthogonal codes with low correlation zone. Sci China Inf Sci, 2019, 62(10): 209304, doi: 10.1007/s11432-018-9747-5

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GLRT-based generalized direction detector in partially homogeneous environment
Liu, Weijian; Gao, Fei; Luo, Yuwen; Liu, Jun; Wang, Yongliang
Sci China Inf Sci, 2019, 62(10): 209303
Keywords: radar detection; multichannel signal processing; adaptive detection; generalized likelihood ratio test; partially homogeneous environment
Cite as: Liu W J, Gao F, Luo Y W, et al. GLRT-based generalized direction detector in partially homogeneous environment. Sci China Inf Sci, 2019, 62(10): 209303, doi: 10.1007/s11432-018-9777-5

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Super-resolution of geosynchronous synthetic aperture radar images using dialectical GANs
Li, Yuanhao; Ao, Dongyang; Dumitru, Corneliu Octavian; Hu, Cheng; Datcu, Mihai
Sci China Inf Sci, 2019, 62(10): 209302
Keywords: GEO SAR; Deep learning; radar; GANs; SAR imaging
Cite as: Li Y H, Ao D Y, Dumitru C O, et al. Super-resolution of geosynchronous synthetic aperture radar images using dialectical GANs. Sci China Inf Sci, 2019, 62(10): 209302, doi: 10.1007/s11432-018-9668-6

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Low-complexity polar code construction for higher order modulation
Yu, Yongrun; Pan, Zhiwen; Liu, Nan; You, Xiaohu
Sci China Inf Sci, 2019, 62(10): 209301
Keywords: polar codes; coded modulation; code construction; higher order modulation; successive cancellation decoding
Cite as: Yu Y R, Pan Z W, Liu N, et al. Low-complexity polar code construction for higher order modulation. Sci China Inf Sci, 2019, 62(10): 209301, doi: 10.1007/s11432-018-9661-2

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Geometry-based non-line-of-sight error mitigation and localization in wireless communications
Hua, Jingyu; Yin, Yejia; Wang, Anding; Zhang, Yu; Lu, Weidang
Sci China Inf Sci, 2019, 62(10): 202301
Keywords: wireless localization; non-line-of-sight error; geometry; cellular network; residual
Cite as: Hua J Y, Yin Y J, Wang A D, et al. Geometry-based non-line-of-sight error mitigation and localization in wireless communications. Sci China Inf Sci, 2019, 62(10): 202301, doi: 10.1007/s11432-019-9909-5

Vol. 62, No. 8, 2019 Cover Contents

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Keywords: FeLAA AUL; coexistence; unsaturated; capture; fading
Cite as: Wang W, Xu P P, Zhang Y, et al. Performance analysis of AUL FeLAA and WiFi coexistence in the presence of Rayleigh fading channel and capture effect under unsaturated traffic conditions. Sci China Inf Sci, 2019, 62(8): 089301, doi: 10.1007/s11432-018-9669-8

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Variation of a signal in Schwarzschild spacetime
Liu, Huan; Xia, Xiang-Gen; Tao, Ran
Sci China Inf Sci, 2019, 62(8): 082304
Keywords: deep space communications; general relativity; Schwarzschild spacetime; bandlimited signal; gravitationally modified Doppler effect
Cite as: Liu H, Xia X-G, Tao R. Variation of a signal in Schwarzschild spacetime. Sci China Inf Sci, 2019, 62(8): 082304, doi: 10.1007/s11432-019-9856-y

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Sphere decoder for polar codes concatenated with cyclic redundancy check
Yu, Yongrun; Pan, Zhiwen; Liu, Nan; Tan, Xiaosi
Sci China Inf Sci, 2019, 62(8): 082303
Keywords: polar codes; sphere decoder; maximum-likelihood decoding; optimal decoding; radius search
Cite as: Yu Y R, Pan Z W, Liu N, et al. Sphere decoder for polar codes concatenated with cyclic redundancy check. Sci China Inf Sci, 2019, 62(8): 082303, doi: 10.1007/s11432-018-9743-0

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Keywords: wireless powered communication networks; energy harvesting; cognitive radio; deadline constraint; energy accumulation
Cite as: Xu D, Li Q. Cooperative resource allocation in cognitive wireless powered communication networks with energy accumulation and deadline requirements. Sci China Inf Sci, 2019, 62(8): 082302, doi: 10.1007/s11432-018-9813-9

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Delay-constrained sleeping mechanism for energy saving in cache-aided ultra-dense network
Li, Pei; Gong, Shulei; Gao, Shen; Hu, Yaoyue; Pan, Zhiwen; You, Xiaohu
Sci China Inf Sci, 2019, 62(8): 082301
Keywords: ultra-dense networks; sleeping mechanism; mean delay; caching strategy; energy saving
Cite as: Li P, Gong S L, Gao S, et al. Delay-constrained sleeping mechanism for energy saving in cache-aided ultra-dense network. Sci China Inf Sci, 2019, 62(8): 082301, doi: 10.1007/s11432-018-9680-9

Special Focus on B5G Wireless Communication Networks
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Exploring multiamplitude voltage modulation to improve spectrum efficiency in low-complexity visible-light communication
Liu, Xiangyu; Wei, Xuetao; Guo, Lei; Liu, Yejun
Sci China Inf Sci, 2019, 62(8): 080305
Keywords: visible light communication; amplitude modulation; spectral efficiency
Cite as: Liu X Y, Wei X T, Guo L, et al. Exploring multiamplitude voltage modulation to improve spectrum efficiency in low-complexity visible-light communication. Sci China Inf Sci, 2019, 62(8): 080305, doi: 10.1007/s11432-018-9858-2

Special Focus on B5G Wireless Communication Networks
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Optimal power allocation for secure directional modulation networks with a full-duplex UAV user
Lu, Zaoyu; Sun, Linlin; Zhang, Shuo; Zhou, Xiaobo; Lin, Jinyong; Cai, Wenlong; Wang, Jin; Lu, Jinhui; Shu, Feng
Sci China Inf Sci, 2019, 62(8): 080304
Keywords: UAV; directional modulation; secrecy rate; artificial noise; full-duplex; power allocation
Cite as: Lu Z Y, Sun L L, Zhang S, et al. Optimal power allocation for secure directional modulation networks with a full-duplex UAV user. Sci China Inf Sci, 2019, 62(8): 080304, doi: 10.1007/s11432-019-9928-5

Special Focus on B5G Wireless Communication Networks
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Partial CRC-aided decoding of 5G-NR short codes using reliability information
Jiang, Ming; Li, Zhengyi; Yang, Xiao; Zhao, Chunming
Sci China Inf Sci, 2019, 62(8): 080303
Keywords: polar codes; LDPC codes; CRC codes; successive cancellation list decoding; ordered statistic decoding
Cite as: Jiang M, Li Z Y, Yang X, et al. Partial CRC-aided decoding of 5G-NR short codes using reliability information. Sci China Inf Sci, 2019, 62(8): 080303, doi: 10.1007/s11432-019-9905-7

Special Focus on B5G Wireless Communication Networks
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Analysis of irregular repetition spatially-coupled slotted ALOHA
Yu, Hanxiao; Fei, Zesong; Cao, Congzhe; Xiao, Ming; Jia, Dai; Ye, Neng
Sci China Inf Sci, 2019, 62(8): 080302
Keywords: spatial coupling; coded slotted ALOHA; contention-based access; density evolution; irregular repetition
Cite as: Yu H X, Fei Z S, Cao C Z, et al. Analysis of irregular repetition spatially-coupled slotted ALOHA. Sci China Inf Sci, 2019, 62(8): 080302, doi: 10.1007/s11432-018-9837-9

Special Focus on B5G Wireless Communication Networks
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Fast-convolution multicarrier based frequency division multiple access
Li, Yining; Wang, Wenjin; Wang, Jiaheng; Gao, Xiqi
Sci China Inf Sci, 2019, 62(8): 080301
Keywords: multirate signal processing; filter banks; fast convolution; channel estimation; equalizer
Cite as: Li Y N, Wang W J, Wang J H, et al. Fast-convolution multicarrier based frequency division multiple access. Sci China Inf Sci, 2019, 62(8): 080301, doi: 10.1007/s11432-018-9808-5

Vol. 62, No. 4, 2019 Cover Contents

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Keywords: Radar SAR imaging; L1 regulization; Matched filter; Sparse SAR imaging; Phase information
Cite as: Bi H, Bi G A. A novel iterative soft thresholding algorithm for L1 regularization based SAR image enhancement. Sci China Inf Sci, 2019, 62(4): 049303, doi: 10.1007/s11432-018-9662-y

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Sea-surface reflection-aided underwater localization with unknown sound speed
Zhang, Bingbing; Hu, Yongchang; Wang, Hongyi; Zhuang, Zhaowen
Sci China Inf Sci, 2019, 62(4): 049302
Keywords: localization; time-difference-of-arrival; underwater; sound propagation speed; sea-surface reflection
Cite as: Zhang B B, Hu Y C, Wang H Y, et al. Sea-surface reflection-aided underwater localization with unknown sound speed. Sci China Inf Sci, 2019, 62(4): 049302, doi: 10.1007/s11432-018-9625-y

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Keywords: Frequency Resolution; Linear Canonical Transform; Discrete Time Linear Canonical Transform; Goertzel Algorithm; Spectrum Refinement
Cite as: Sun Y N, Li B Z. Digital computation of linear canonical transform for local spectra with flexible resolution ability. Sci China Inf Sci, 2019, 62(4): 049301, doi: 10.1007/s11432-018-9585-1

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Exponentially weighted proportional fair scheduling algorithm for the OFDMA system
Liang, Siyu; Chen, Weisheng; Li, Yake; Fang, Xinpeng
Sci China Inf Sci, 2019, 62(4): 042306
Keywords: exponentially weighted proportional fair; user perceived throughput; downlink scheduling algorithm; scheduled IP throughput
Cite as: Liang S Y, Chen W S, Li Y K, et al. Exponentially weighted proportional fair scheduling algorithm for the OFDMA system. Sci China Inf Sci, 2019, 62(4): 042306, doi: 10.1007/s11432-018-9746-9

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A low complexity online controller using fuzzy logic in energy harvesting WSNs
Azfar, Talha; Ahmed, Waqas; Haseeb, Abdul; Ahmad, Rizwan; Gul, Sufi Tabassum; Zheng, Fu-Chun
Sci China Inf Sci, 2019, 62(4): 042305
Keywords: wireless sensor networks; energy harvesting; cooperative communications; fuzzy logic
Cite as: Azfar T, Ahmed W, Haseeb A, et al. A low complexity online controller using fuzzy logic in energy harvesting WSNs. Sci China Inf Sci, 2019, 62(4): 042305, doi: 10.1007/s11432-018-9751-5

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On proactive eavesdropping using anti-relay-selection jamming in multi-relay communication systems
Hu, Yingdong; Gao, Ruifeng; Li, Ye; Zhang, Shibing
Sci China Inf Sci, 2019, 62(4): 042304
Keywords: physical layer security; proactive eavesdropping; anti-relay-selection jamming; multi-relay; beamforming
Cite as: Hu Y D, Gao R F, Li Y, et al. On proactive eavesdropping using anti-relay-selection jamming in multi-relay communication systems. Sci China Inf Sci, 2019, 62(4): 042304, doi: 10.1007/s11432-018-9660-0

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BS sleeping strategy for energy-delay tradeoff in wireless-backhauling UDN
Li, Pei; Shen, Yi; Sahito, Faisal; Pan, Zhiwen; You, Xiaohu
Sci China Inf Sci, 2019, 62(4): 042303
Keywords: ultra-dense networks; sleeping ratio; sleeping strategy; wireless backhaul; energy-delay tradeoff
Cite as: Li P, Shen Y, Sahito F, et al. BS sleeping strategy for energy-delay tradeoff in wireless-backhauling UDN. Sci China Inf Sci, 2019, 62(4): 042303, doi: 10.1007/s11432-018-9494-9

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Lattice reduction aided belief propagation for massive MIMO detection
Zhang, Senjie; He, Zhiqiang; Niu, Kai; Jin, Shi; Cheng, Hong
Sci China Inf Sci, 2019, 62(4): 042302
Keywords: massive MIMO; MIMO detection; belief propagation; graph-based detection; lattice reduction; Markov random field
Cite as: Zhang S J, He Z Q, Niu K, et al. Lattice reduction aided belief propagation for massive MIMO detection. Sci China Inf Sci, 2019, 62(4): 042302, doi: 10.1007/s11432-018-9637-5

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A coupled convolutional neural network for small and densely clustered ship detection in SAR images
Zhao, Juanping; Guo, Weiwei; Zhang, Zenghui; Yu, Wenxian
Sci China Inf Sci, 2019, 62(4): 042301
Keywords: SAR image; ship detection; CNN; exhaustive ship proposal network; ESPN; accurate ship discrimination network; ASDN
Cite as: Zhao J P, Guo W W, Zhang Z H, et al. A coupled convolutional neural network for small and densely clustered ship detection in SAR images. Sci China Inf Sci, 2019, 62(4): 042301, doi: 10.1007/s11432-017-9405-6

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Development status of high power fiber lasers and their coherent beam combination
Liu, Zejin; Jin, Xiaoxi; Su, Rongtao; Ma, Pengfei; Zhou, Pu
Sci China Inf Sci, 2019, 62(4): 041301
Keywords: fiber lasers and amplifiers; nonlinear effects and mode instability; coherent beam combining; passive components; 2 m fiber lasers
Cite as: Liu Z J, Jin X X, Su R T, et al. Development status of high power fiber lasers and their coherent beam combination. Sci China Inf Sci, 2019, 62(4): 041301, doi: 10.1007/s11432-018-9742-0

Special Focus on High-Resolution Radar
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High-precision angle estimation based on phase ambiguity resolution for high resolution radars
Xiong, Xiangyu; Deng, Zhenmiao; Qi, Wei; Dou, Yujiang
Sci China Inf Sci, 2019, 62(4): 040307
Keywords: radar signal processing; target tracking; parameter estimation; angle estimation; high-resolution radar
Cite as: Xiong X Y, Deng Z M, Qi W, et al. High-precision angle estimation based on phase ambiguity resolution for high resolution radars. Sci China Inf Sci, 2019, 62(4): 040307, doi: 10.1007/s11432-018-9745-y

Special Focus on High-Resolution Radar
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A radar waveform bandwidth selection strategy for wideband tracking
Chang, Shaoqiang; Zhang, Honggang; Long, Teng; Liu, Quanhua; Zheng, Le
Sci China Inf Sci, 2019, 62(4): 040306
Keywords: wideband tracking; radar waveform design; bandwidth gradual-transition; wideband detection; tracking performance
Cite as: Chang S Q, Zhang H G, Long T, et al. A radar waveform bandwidth selection strategy for wideband tracking. Sci China Inf Sci, 2019, 62(4): 040306, doi: 10.1007/s11432-018-9736-9

Special Focus on High-Resolution Radar
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Colocated MIMO radar waveform design for angular statistical resolution limit in the context of hypothesis testing
Zhang, Yunlei; Wang, Li; Wang, Jinbo; Tang, Jun
Sci China Inf Sci, 2019, 62(4): 040305
Keywords: hypothesis testing; waveform design; statistical resolution limit; colocated MIMO radar; angular resolution
Cite as: Zhang Y L, Wang L, Wang J B, et al. Colocated MIMO radar waveform design for angular statistical resolution limit in the context of hypothesis testing. Sci China Inf Sci, 2019, 62(4): 040305, doi: 10.1007/s11432-018-9722-8

Special Focus on High-Resolution Radar
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Improved track-before-detect method for detecting range-spread targets in generalized Pareto clutter
Xue, Jian; Xu, Shuwen; Shui, Penglang
Sci China Inf Sci, 2019, 62(4): 040304
Keywords: Range-spread target; Dynamic programming; Track-before-detect; Non-Gaussian clutter; Sea spikes
Cite as: Xue J, Xu S W, Shui P L. Improved track-before-detect method for detecting range-spread targets in generalized Pareto clutter. Sci China Inf Sci, 2019, 62(4): 040304, doi: 10.1007/s11432-018-9744-2

Special Focus on High-Resolution Radar
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Spatial-variant contrast maximization autofocus algorithm for ISAR imaging of maneuvering targets
Shao, Shuai; Zhang, Lei; Liu, Hongwei; Zhou, Yejian
Sci China Inf Sci, 2019, 62(4): 040303
Keywords: Inverse synthetic aperture radar; ISAR; High-resolution radar imaging; Maneuvering targets; Range and azimuth spatial-variant phase errors; Maximum contrast optimization; Broyden-Fletcher-Goldfarb-Shanno; BFGS
Cite as: Shao S, Zhang L, Liu H W, et al. Spatial-variant contrast maximization autofocus algorithm for ISAR imaging of maneuvering targets. Sci China Inf Sci, 2019, 62(4): 040303, doi: 10.1007/s11432-018-9707-2

Special Focus on High-Resolution Radar
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Diversity considerations in wideband radar detection of migrating targets in clutter
Le Chevalier, Francois; Petrov, Nikita
Sci China Inf Sci, 2019, 62(4): 040302
Keywords: radar; extended target; frequency diversity; wideband detection; target migration; clutter cancelling
Cite as: Le Chevalier F, Petrov N. Diversity considerations in wideband radar detection of migrating targets in clutter. Sci China Inf Sci, 2019, 62(4): 040302, doi: 10.1007/s11432-018-9735-6

Special Focus on High-Resolution Radar
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Advanced technology of high-resolution radar: target detection, tracking, imaging, and recognition
Long, Teng; Liang, Zhennan; Liu, Quanhua
Sci China Inf Sci, 2019, 62(4): 040301
Keywords: high-resolution radar; integrated detection and tracking; multiple target tracking; phase-derived velocity; inverse synthetic aperture radar; ISAR; hierarchical classification; convolution neural network
Cite as: Long T, Liang Z N, Liu Q H. Advanced technology of high-resolution radar: target detection, tracking, imaging, and recognition. Sci China Inf Sci, 2019, 62(4): 040301, doi: 10.1007/s11432-018-9811-0

Vol. 62, No. 2, 2019 Cover Contents

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Energy-efficient task offloading, load balancing, and resource allocation in mobile edge computing enabled IoT networks
Li, Shulei; Zhai, Daosen; Du, Pengfei; Han, Ting
Sci China Inf Sci, 2019, 62(2): 029307
Keywords: mobile edge computing; resource allocation; task offloading; load balancing; convex optimization
Cite as: Li S L, Zhai D S, Du P F, et al. Energy-efficient task offloading, load balancing, and resource allocation in mobile edge computing enabled IoT networks. Sci China Inf Sci, 2019, 62(2): 029307, doi: 10.1007/s11432-017-9440-x

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An improved radar detection and tracking method for small UAV under clutter environment
Hu, Cheng; Wang, Yixuan; Wang, Rui; Zhang, Tianran; Cai, Jiong; Liu, Meiqin
Sci China Inf Sci, 2019, 62(2): 029306
Keywords: small target; UAV; radar detection; EMD; clutter suppression
Cite as: Hu C, Wang Y X, Wang R, et al. An improved radar detection and tracking method for small UAV under clutter environment. Sci China Inf Sci, 2019, 62(2): 029306, doi: 10.1007/s11432-018-9598-x

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A SAR imaging method based on generalized minimax-concave penalty
Wei, Zhonghao; Zhang, Bingchen; Wu, Yirong
Sci China Inf Sci, 2019, 62(2): 029305
Keywords: SAR imaging; Generalized Minimax-Concave; RCS; forward-backward algorithm; L1 regularization
Cite as: Wei Z H, Zhang B C, Wu Y R. A SAR imaging method based on generalized minimax-concave penalty. Sci China Inf Sci, 2019, 62(2): 029305, doi: 10.1007/s11432-018-9464-4

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A multicomponent micro-Doppler signal decomposition and parameter estimation method for target recognition
Song, Chen; Wu, Yirong; Zhou, Liangjiang; Li, Ruoming; Yang, Jiefang; Liang, Wei; Ding, Chibiao
Sci China Inf Sci, 2019, 62(2): 029304
Keywords: micro-Doppler; parametric time-frequency; signal decomposition; parameter estimation ; target recognition
Cite as: Song C, Wu Y R, Zhou L J, et al. A multicomponent micro-Doppler signal decomposition and parameter estimation method for target recognition. Sci China Inf Sci, 2019, 62(2): 029304, doi: 10.1007/s11432-018-9491-y

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Keywords: cognitive radio; wireless power transfer; wireless powered communication networks; resource allocation; dual optimization
Cite as: Xu D, Li Q. Resource allocation in cognitive wireless powered communication networks with wirelessly powered secondary users and primary users. Sci China Inf Sci, 2019, 62(2): 029303, doi: 10.1007/s11432-017-9387-5

LETTER Website SpringerLink Google Scholar Supplementary Cited in SCI: 0

A latency-reduced successive cancellation list decoder for polar codes
Yu, Yongrun; Pan, Zhiwen; Tan, Xiaosi; Liu, Nan; You, Xiaohu; Ding, Fei
Sci China Inf Sci, 2019, 62(2): 029302
Keywords: polar codes; successive cancellation decoding; list decoding; path metric sorting; low latency decoding
Cite as: Yu Y R, Pan Z W, Tan X S, et al. A latency-reduced successive cancellation list decoder for polar codes. Sci China Inf Sci, 2019, 62(2): 029302, doi: 10.1007/s11432-018-9422-y

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Secrecy energy efficiency optimization for AN-aided SWIPT system with power splitting receiver
Wang, Gang; Lin, Yan; Meng, Chao; Heng, Wei; Chen, Xiaoshu
Sci China Inf Sci, 2019, 62(2): 029301
Keywords: secrecy energy efficiency; energy harvesting; artificial noise; SWIPT; power splitting; information decoding
Cite as: Wang G, Lin Y, Meng C, et al. Secrecy energy efficiency optimization for AN-aided SWIPT system with power splitting receiver. Sci China Inf Sci, 2019, 62(2): 029301, doi: 10.1007/s11432-017-9399-6

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An enhanced digital predistortion algorithm based on polynomial model identification
Ma, Wanzhi; Quan, Xin; Zhao, Bo; Liu, Ying; Pan, Wensheng; Shao, Shihai; Tang, Youxi
Sci China Inf Sci, 2019, 62(2): 022304
Keywords: digital predistortion; power amplifier; nonlinear distortion; memory effects; radio frequency
Cite as: Ma W Z, Quan X, Zhao B, et al. An enhanced digital predistortion algorithm based on polynomial model identification. Sci China Inf Sci, 2019, 62(2): 022304, doi: 10.1007/s11432-017-9420-y

RESEARCH PAPER Website SpringerLink Google Scholar Cited in SCI: 3

Impacts of practical channel impairments on the downlink spectral efficiency of large-scale distributed antenna systems
Li, Jiamin; Wang, Dongming; Zhu, Pengcheng; You, Xiaohu
Sci China Inf Sci, 2019, 62(2): 022303
Keywords: Doppler shift; phase noise; large-scale distributed antenna systems; spectral efficiency; pilot contamination
Cite as: Li J M, Wang D M, Zhu P C, et al. Impacts of practical channel impairments on the downlink spectral efficiency of large-scale distributed antenna systems. Sci China Inf Sci, 2019, 62(2): 022303, doi: 10.1007/s11432-018-9413-6

RESEARCH PAPER Website SpringerLink Google Scholar Cited in SCI: 1

Quantitative SNR analysis of QFM signals in the LPFT domain with Gaussian windows
Zhang, Yan-Na; Li, Bing-Zhao; Goel, Navdeep; Gabarda, Salvador
Sci China Inf Sci, 2019, 62(2): 022302
Keywords: SNR analysis; quadratic frequency modulated signal; local polynomial Fourier transform; linear canonical transform; time frequency representations
Cite as: Zhang Y-N, Li B-Z, Goel N, et al. Quantitative SNR analysis of QFM signals in the LPFT domain with Gaussian windows. Sci China Inf Sci, 2019, 62(2): 022302, doi: 10.1007/s11432-017-9322-2

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Lifetime maximization via joint channel and power assignment for incremental-relay multi-channel systems
Pang, Lihua; Zhang, Yang; Han, Ruiyu; Bai, Kaiyang; Ren, Guangliang; Li, Jiandong
Sci China Inf Sci, 2019, 62(2): 022301
Keywords: lifetime maximization; incremental relaying; amplify-and-forward; multi-channel systems; resource optimization
Cite as: Pang L H, Zhang Y, Han R Y, et al. Lifetime maximization via joint channel and power assignment for incremental-relay multi-channel systems. Sci China Inf Sci, 2019, 62(2): 022301, doi: 10.1007/s11432-017-9388-1

REVIEW Website SpringerLink Google Scholar Cited in SCI: 1

Time-domain ICIC and optimized designs for 5G and beyond: a survey
Liu, Ling; Zhou, Yiqing; Vasilakos, Athanasios V.; Tian, Lin; Shi, Jinglin
Sci China Inf Sci, 2019, 62(2): 021302
Keywords: eICIC; almost blank subframe; joint optimized design; heterogeneous small cell networks; 5G and beyond
Cite as: Liu L, Zhou Y Q, Vasilakos A V, et al. Time-domain ICIC and optimized designs for 5G and beyond: a survey. Sci China Inf Sci, 2019, 62(2): 021302, doi: 10.1007/s11432-017-9477-4

Highly Cited in 201909 REVIEW Website SpringerLink Google Scholar Cited in SCI: 11

AI for 5G: research directions and paradigms
You, Xiaohu; Zhang, Chuan; Tan, Xiaosi; Jin, Shi; Wu, Hequan
Sci China Inf Sci, 2019, 62(2): 021301
Keywords: 5G mobile communication; AI techniques; network optimization; resource allocation; unified acceleration; end-to-end joint optimization
Cite as: You X H, Zhang C, Tan X S, et al. AI for 5G: research directions and paradigms. Sci China Inf Sci, 2019, 62(2): 021301, doi: 10.1007/s11432-018-9596-5