scholarly journals Trustworthy Device Pairing for Opportunistic Device-to-Device Communications in Mobile Crowdsourcing Systems

2015 ◽  
Author(s):  
Cong Zhao ◽  
Fengrui Shi ◽  
Ran Huang ◽  
Xinyu Yang ◽  
Julie McCann
Keyword(s):  
Mobile Crowdsourcing ◽  
Device To Device ◽  
Device Pairing

scholarly journals Channel Access and Power Control for Mobile Crowdsourcing in Device-to-Device Underlaid Cellular Networks

2018 ◽  
Vol 2018 ◽  
pp. 1-13 ◽  
Author(s):  
Yue Ma ◽  
Li Zhou ◽  
Zhenghua Gu ◽  
Yang Song ◽  
Bin Wang
Keyword(s):  
Power Control ◽  
Cellular Networks ◽  
Spectral Efficiency ◽  
Cellular Network ◽  
Handheld Devices ◽  
Channel Access ◽  
Mobile Crowdsourcing ◽  
Device To Device ◽  
Area Spectral Efficiency ◽  
The Impact

With the access of a myriad of smart handheld devices in cellular networks, mobile crowdsourcing becomes increasingly popular, which can leverage omnipresent mobile devices to promote the complicated crowdsourcing tasks. Device-to-device (D2D) communication is highly desired in mobile crowdsourcing when cellular communications are costly. The D2D cellular network is more preferable for mobile crowdsourcing than conventional cellular network. Therefore, this paper addresses the channel access and power control problem in the D2D underlaid cellular networks. We propose a novel semidistributed network-assisted power and a channel access control scheme for D2D user equipment (DUE) pieces. It can control the interference from DUE pieces to the cellular user accurately and has low information feedback overhead. For the proposed scheme, the stochastic geometry tool is employed and analytic expressions are derived for the coverage probabilities of both the cellular link and D2D links. We analyze the impact of key system parameters on the proposed scheme. The Pareto optimal access threshold maximizing the total area spectral efficiency is obtained. Unlike the existing works, the performances of the cellular link and D2D links are both considered. Simulation results show that the proposed method can improve the total area spectral efficiency significantly compared to existing schemes.

scholarly journals Virtual MIMO Beamforming and Device Pairing Enabled by Device-to-Device Communications for Multidevice Networks

2017 ◽  
Vol 2017 ◽  
pp. 1-10
Author(s):  
Yeonjin Jeong ◽  
Jooheum Yoon ◽  
Sang Hyun Lee ◽  
Yun Hee Kim
Keyword(s):  
Multiple Input Multiple Output ◽  
Access Point ◽  
D2d Communications ◽  
Channel State ◽  
Multiple Input ◽  
Device To Device ◽  
Input Multiple Output ◽  
Sum Rate ◽  
Device Pairing ◽  
The Internet Of Things

We consider a multidevice network with asymmetric antenna configurations which supports not only communications between an access point and devices but also device-to-device (D2D) communications for the Internet of things. For the network, we propose the transmit and receive beamforming with the channel state information (CSI) for virtual multiple-input multiple-output (MIMO) enabled by D2D receive cooperation. We analyze the sum rate achieved by a device pair in the proposed method and identify the strategies to improve the sum rate of the device pair. We next present a distributed algorithm and its equivalent algorithm for device pairing to maximize the throughput of the multidevice network. Simulation results confirm the advantages of the transmit CSI and D2D cooperation as well as the validity of the distributive algorithm.

scholarly journals Rapid, User-Transparent, and Trustworthy Device Pairing for D2D-Enabled Mobile Crowdsourcing

2017 ◽  
Vol 16 (7) ◽  
pp. 2008-2022 ◽  
Author(s):  
Cong Zhao ◽  
Shusen Yang ◽  
Xinyu Yang ◽  
Julie A. McCann
Keyword(s):  
Mobile Crowdsourcing ◽  
Device Pairing

MEC-enabled video streaming in device-to-device networks

2020 ◽  
Vol 14 (15) ◽  
pp. 2453-2461
Author(s):  
Xuguang Zhang ◽  
Huangda Lin ◽  
Mingkai Chen ◽  
Bin Kang ◽  
Lei Wang
Keyword(s):  
Video Streaming ◽  
Device To Device
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