Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Guangqiu LI"'
Publikováno v:
Dianxin kexue, Vol 39, Pp 68-79 (2023)
To solve the problems of low spectral efficiency and poor performance of physical layer security (PLS) in single-input single-output (SISO) wireless systems with adaptive modulation in the presence of an active eavesdropper, multiple-input multiple-o
Externí odkaz:
https://doaj.org/article/2e2eba7b272140a78d2fcc2600e61070
Publikováno v:
Dianxin kexue, Vol 39, Pp 89-99 (2023)
The relay aided device to device (D2D) network can improve the spectrum efficiency of D2D users and the physical layer security of cellular user (CU) by sharing spectrum with the cellular network.To further improve their performance, transmit antenna
Externí odkaz:
https://doaj.org/article/5bd13e5f8d9f481bade4a31ef78fdb23
Autor:
Lingxiao Pan, Zizhong Huang, Guangqiu Li, Qianchao Zhan, Wenbo Zheng, Lun Chen, Xiaoshen Zhang
Publikováno v:
Journal of Radiation Research and Applied Sciences, Vol 15, Iss 3, Pp 232-237 (2022)
To create a subclinical breast cancer mouse model. Using a modified inoculation method, we injected EMT6 cells subcutaneously into the bilateral 4th mammary fat pads of six BALB/c mice. The mice were then bilaterally inoculated with various cell numb
Externí odkaz:
https://doaj.org/article/c093ccdfa2574d5b8f4d99755edfd35b
Publikováno v:
Dianxin kexue, Vol 38, Pp 83-94 (2022)
Aiming at the physical layer security (PLS) application requirement of massive user equipments access in the future, the PLS model combining with non-orthogonal multiple access (NOMA), device-to-device (D2D) and relay cooperation was proposed.The mod
Externí odkaz:
https://doaj.org/article/57a91455ed514e93973fbcd8d2319be0
Publikováno v:
Dianxin kexue, Vol 38, Pp 133-142 (2022)
The combination of non-orthogonal multiple access (NOMA) and simultaneous wireless information and power transfer (SWIPT) technologies can improve spectrum efficiency of wireless system and solve the power supply problem of user nodes.However, when e
Externí odkaz:
https://doaj.org/article/eded76ef1c9549c686b7fcff639ec74d
Publikováno v:
Dianxin kexue, Vol 37, Pp 25-31 (2021)
In order to improve the bit error rate (BER) and bandwidth utilization performance of generalized frequency division multiplexing (GFDM) system over frequency selective fading channels, based on the minimum bit error rate (MBER) criterion, a joint pr
Externí odkaz:
https://doaj.org/article/281ad7fd268b45ebbf7ff8f22f1a65a3
Publikováno v:
Dianxin kexue, Vol 37, Pp 95-104 (2021)
Aimed at the poor security performance of single antenna multi-relay modify-and-forward (MF) cooperative wireless systems in collusion eavesdropping scenario, MF cooperative physical layer security systems combining source node transmit antenna selec
Externí odkaz:
https://doaj.org/article/19425809d548437e91cd6c59ed946a30
Publikováno v:
Dianxin kexue, Vol 37, Pp 77-84 (2021)
The millimeter-wave massive multiple-input multiple-output (MIMO) systems can overcome the adverse effects of the free-space signal path loss through the partial connection hybrid precoding method, which has the advantages of low hardware complexity
Externí odkaz:
https://doaj.org/article/b6c7d9f7ef804ed5b7d2662371bab578
Publikováno v:
Dianxin kexue, Vol 37, Pp 82-89 (2021)
In order to reduce the peak-to-average power ratio (PAPR) and the implementation complexity of generalized frequency division multiplexing (GFDM) system, the TSLM algorithm based on T-transform and selective mapping (SLM) was proposed.The design idea
Externí odkaz:
https://doaj.org/article/2f6ea3fc7e0341859382bc97532d86a2
Publikováno v:
Dianxin kexue, Vol 36, Pp 65-72 (2020)
The locations of the eavesdroppers have serious impact on the physical layer security performance of simultaneous wireless information and power transfer (SWIPT) systems with transmit antenna selection (TAS) and power split (PS) strategy,which can be
Externí odkaz:
https://doaj.org/article/16510b8444fd4830b42e3161791af7f5