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CN, a quarterly journal, dedicates to the latest advancements in communications and network technologies. The goal of this journal is to keep a record of the state-of-the-art research and promote the research work in these fast moving areas. All manuscripts submitted to CN must be previously unpublished and may not be…
Guobing Cheng, Qifu Lv, Shaoqian Li, Lisha Gong, Binhong Dong, Su Hu
Orthogonal frequency division multiplex/offset QAM (OFDM/OQAM) has been proven to be a promising multi-carrier modulation (MCM) technique for the transmission of signals over multipath fading channels. However, OFDM/OQAM has also the intrinsic disadvantage of…
Guobing Cheng, Huilei Li, Shaoqian Li, Lisha Gong, Binhong Dong, Peng Wei
Orthogonal frequency division multiplex/offset QAM (OFDM/OQAM) and N-continuous OFDM are both improved multi-carrier modulation (MCM) techniques for the transmission of signals over multipath fading channels. In this paper, we aim to compare these two techniq…
Guoxiang Yang, Guangliang Ren, Kun Wu
Spectrum sensing is a key technology to improve spectrum efficiency. In this paper, we propose a novel signal detection method based on Walsh transform for spectrum sensing. The main idea behind is that the received signal is transformed into another domain b…
Daqian Zhao, Zhizhong Zhang, Fang Cheng
In this paper, we consider a spectrum sharing scheme that is a joint optimization of relay selection and power allocation at the secondary transmitter, which aims to achieve the maximum possible throughput for the secondary user. This paper considers the scen…
Fabrício de Araújo Carvalho, Fernando Walter
This paper aims to present a digital radio broadcasting system that explores the advantages of pseudo-random codes. In this context, a transmitter and its dual receiver are able to reuse frequency spectrum bands without interfering on other existing communica…
Huy-Dung Han, Chenxi Zhu, Dorin Viorel, Akira Ito
In this work, we consider device-to-device (D2D) direct communication underlaying a 3GPP LTE-A network. D2D communication enables new service opportunities, provides high throughput and reliable communication while reducing the base station load. For better t…
Xiaofei Wang, Zhipeng Jiang, Suixiang Gao
In this paper, we propose a fine-grained grid-based multi-objective model which aims at optimizing base station antennas' configurations, such as transmit power, antenna tilt and antenna azimuth, in order to upgrading network performance in cellular networks.…
Yongkang Xiao, Rong Xiao, Bo Sun
Fairness and stability guarantee among TCP flows is very stubborn in wireless ad hoc networks. There is not a MAC protocol that can fulfill this acquirement until now. In this paper, we firstly reveal the in-depth causes of the severe TCP unfairness and insta…
Ruyi My, Jian Liu
With the development of mobile network technology, mobile Web services have also been more and more attention, but standard Web protocols are not applicable in a mobile environment, so people began to design more efficient, compact and consume less mobile Web…
Liang Jing, Xiaojie Xu, Yafeng Wang
The LTE and LTE-Advanced systems are supposed to be the most popular cellular network in 4Gnetworks. Relay technology is one of the most preferred technologies proposed in LTE-Advanced standardization to improve the capacity and coverage. This paper analyses…
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CN, a quarterly journal, dedicates to the latest advancements in communications and network technologies. The goal of this journal is to keep a record of the state-of-the-art research and promote the research work in these fast moving areas. All manuscripts submitted to CN must be previously unpublished and may not be… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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