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International Journal of Communications, Network and System Sciences is an international journal dedicated to the latest advancements in communications, network and system Science. The goal of this journal is to keep a record of the state-of-the-art research and promote the research work in the areas. This journal inv…
Mingqi Li, Shihao Lai, Yaqiu Peng, 1 1
Fast-Than-Nyquist (FTN) transmission is a promising method to improve the spectrum efficiency for future wireless communication systems. However, this benefit of FTN is at the price of inducing the inter-symbol interference (ISI), which increases the complexi…
Chunhua Zhu, Huan Mi, Mengfei Kan, Yi Song
For limited distortion source coding, it is generally considered that the minimum value of the coding average distortion is 0, and the maximum value is the minimum distortion value of making R(D) = 0. This is the definition domain of the information rate dist…
Xin Wei, Zhigang Li, Zheng Dou
In order to solve the problem that the original decoding algorithm of multi-band LDPC codes is high and is not conducive to hardware implementation, two simplified decoding algorithms for multi-band LDPC codes are studied: the reliability propagation based on…
Hao Cui, Zhigang Li, Zheng Dou
Since the global positioning system began to operate, it has become more and more close to people’s lives, and has been applied to various fields now. In order to track and decode GPS signals, GPS signals need to be captured first. The necessary parameters of…
Wenxu Zhang, Chengqun Zhou, Zheng Dou
In electronic confrontation, radar confrontation is an important part. Various radars widely used in modern warfare are the most important equipment in the field of information acquisition and precision guidance. Especially in the vast battle space, in order…
Zhaoxu Zhang, Zhigang Li, Zheng Dou
As an important part of the communication system, synchronization technology is a communication system to run the correct protection, has been a hot topic in communication systems research. Four-phase phase shift keying (QPSK) circuit structure is relatively…
Eman S. Abass, Joseph V. M. Halim, Hadia M. El-Hennawy
High-throughput satellite (HTS) systems usually make use of Multibeam coverage at high frequency bands in order to offer broadband access of large areas. Multibeam coverage increases the available capacity through frequency reuse and spatial separation. Howev…
Wenxu Zhang, Shudi Ma, Qiuying Du
Moving target indication (MTI) is an effective means for radar to find moving targets in clutter environment. This paper introduces the basic principles of MTI, how to avoid the blind speed problem and the optimization of MTI filter. Implementing the multi-no…
Zheng Dou, Weidong Song, Wenxu Zhang
This paper proposes a linear frequency modulation (LFM signal) and biphase coding (BC signal) mixed modulation signal called LFM-BC signal. LFM-BC signal has both LFM signal and BC signal two kinds of traditional signal advantages but makes up for their short…
Dongbi Zhu, Yang Chen, Yihu Xu
We consider a carrier sense multiple access (CSMA) in an unslotted cognitive radio network with random residence time. In this system, if an arriving secondary user (SU) does not find any idle channels, then the SU either enters the back-off group or gives up…
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International Journal of Communications, Network and System Sciences is an international journal dedicated to the latest advancements in communications, network and system Science. The goal of this journal is to keep a record of the state-of-the-art research and promote the research work in the areas. This journal inv… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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