virtual operator
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Author(s):  
Marin Mandić ◽  
Davor Škobić ◽  
Goran Martinović

Social Network Analysis (SNA) is based on graph theory and is used for identification of the structure, behavioral patterns and social connectivity of entities. In this paper, SNA is used in the telecom industry in terms of a call detail record referring to phone call data separated into two groups, i.e., domicile network and virtual operator network data. Emphasis was placed on community detection. Comparison was made among communities detected in domicile and virtual operator networks. Results show that in contrast to domicile network, the number of cliques in the virtual operator network is larger. Also, homophily was detected between domicile network and virtual operator network users.


2019 ◽  
Vol 12 (2) ◽  
Author(s):  
Yu Du ◽  
Michael C. Dorneich ◽  
Brian L. Steward

2018 ◽  
Vol 2018 ◽  
pp. 1-10 ◽  
Author(s):  
Erwin J. Sacoto-Cabrera ◽  
Angel Sanchis-Cano ◽  
Luis Guijarro ◽  
José Ramón Vidal ◽  
Vicent Pla

5G networks will make network sharing agreements between mobile operators technically possible. However, depending on the agreed and implemented quality-of-service isolation, the provision of services may lead to unsustainable business cases. In this paper, the economic feasibility of such arrangements is analyzed for the case of two operators. Concretely, while one network operator owns the spectrum, one virtual operator does not, and each one provides service to its subscriber base. Two sharing alternatives, namely, pooling and priority sharing, are studied regarding the profits that each operator gets. We conclude that the network operator is worse off under any circumstances under a pooling agreement, while a lump sum payment may leave the network operator better off under a priority sharing agreement.


2018 ◽  
Vol 90 ◽  
pp. 223-234
Author(s):  
Yu Du ◽  
Michael C. Dorneich ◽  
Brian Steward
Keyword(s):  

2018 ◽  
Vol 15 (1) ◽  
pp. 172988141775154 ◽  
Author(s):  
Tomáš Kot ◽  
Petr Novák

The article presents some aspects of a complex control system of a teleoperated military mobile robot Tactical Robotic System (TAROS) related to virtual reality and assistance to a human operator in general. Described is especially the unique and innovative system of virtual operator station which uses the HMD Oculus Rift to put the operator into a virtual space containing visual feedback from the robot and camera images, including stereovision. The virtual operator station serves as a cost-effective and portable replacement of what otherwise would be a large room with expensive equipment. Mentioned is also another system that helps the operator with remote manipulation tasks – the anti-collision system preventing damage done to the mechanical parts of the robot by incautious movements of the manipulator arm.


2017 ◽  
Author(s):  
Yu Du ◽  
Michael C. Dorneich ◽  
Brian L. Steward

2016 ◽  
Vol 70 ◽  
pp. 14-25 ◽  
Author(s):  
Yu Du ◽  
Michael C. Dorneich ◽  
Brian Steward

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