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Xin Wang
Fudan University
298Publications
24H-index
2,824Citations
Publications 298
Newest
Published in Sport Psychologist1.50
Dongliang Su (Fudan University), Yi Jiang15
Estimated H-index: 15
(Fudan University)
+ -3 AuthorsXiqi Gao1
Estimated H-index: 1
(SEU: Southeast University)
In Part II of this two-part paper, we develop novel numerical optimization approaches to design omnidirectional precoding schemes for a massive multiple-input multiple-output system equipped with a uniform rectangular array (URA). To this end, we first formulate the omnidirectional precoding design as a semidefinite program (SDP) with rank constraint. An iterative rank-reduction algorithm is then proposed to produce omnidirectional transmission solution with a minimum number of precoding vectors...
Published on Jul 15, 2019in Software - Practice and Experience1.93
Jiaojiao Fu1
Estimated H-index: 1
,
Yangfan Zhou , Xin Wang24
Estimated H-index: 24
Chi Chen (Fudan University), Xin Peng14
Estimated H-index: 14
(Fudan University)
+ -3 AuthorsWenyun Zhao14
Estimated H-index: 14
(Fudan University)
Many programming languages and development frameworks have extensive libraries (e.g., JDK and Android libraries) that ease the task of software engineering if used effectively. With numerous library classes and sometimes intricate API (application programming interface) usage constraints, programmers often have difficulty remembering the library APIs and/or using them correctly. This study addresses this problem by developing an engine called DeepAPIRec, which automatically recommends the API us...
Published on Jan 1, 2019in IEEE Journal on Selected Areas in Communications9.30
Kun Qiu2
Estimated H-index: 2
,
Jin Zhao8
Estimated H-index: 8
+ 2 AuthorsStefano Secci15
Estimated H-index: 15
Published on Jan 1, 2019in IEEE ACM Transactions on Networking3.60
Yuedong Xu11
Estimated H-index: 11
,
Zhujun Xiao + 3 AuthorsAltman Eitan45
Estimated H-index: 45
Published on May 2, 2019 in CHI (Human Factors in Computing Systems)
Jiaojiao Fu1
Estimated H-index: 1
(Fudan University),
Yangfan Zhou (Fudan University)+ 1 AuthorsXin Wang24
Estimated H-index: 24
(Fudan University)
Recently, many mobile apps start to incorporate social functions into their design, even for the task-oriented ones, i.e., those designed mainly to help users complete certain tasks. For instance, Taobao, a shopping app, includes online-sharing and instant-messaging functions. However, there is still lack of research on how the users accept and use these social functions. This paper aims to unveil the user requirements on the social functions in task-oriented apps, and accordingly provide design...
Published on Apr 29, 2019 in INFOCOM (International Conference on Computer Communications)
Sulei Wang1
Estimated H-index: 1
(Fudan University),
Zhe Chen3
Estimated H-index: 3
(Fudan University)
+ 3 AuthorsXin Wang24
Estimated H-index: 24
(Fudan University)
Multiuser MIMO (MU-MIMO) empowers access points (APs) with multiple antennas to transmit multiple data streams concurrently to users by exploiting spatial multiplexing. In MU-MIMO, users need to estimate channel state information (CSI) and report it to APs, thus opening a backdoor to attackers who may forge CSI to eavesdrop the content of victims. In this paper, we explore the eavesdropping attack in a novel and practical context in which CSI forgery entangles MU-MIMO user selection in a many-us...
Published on Apr 1, 2019in IEEE Wireless Communications Letters3.55
Sulei Wang1
Estimated H-index: 1
(Fudan University),
Zhe Chen3
Estimated H-index: 3
(Fudan University)
+ 2 AuthorsQingsheng Kong (Fudan University)
User selection is one of the most important components for next generation multi-user multiple-input-multiple-output wireless local area networks. However, state-of-the-art approaches neglect the heterogeneity of users in the available bandwidth and the number of antennas, which diminishes their performance considerably. To tackle this challenge, we formulate a novel integer optimization framework to select the antennas of heterogeneous users simultaneously. With estimated signal-to-interference...
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