Linyan Liu

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In this paper, a rate-adaptive free-space optical (FSO) communication system using systematic Raptor codes is investigated based on experimental data measured over a 1.87 km terrestrial FSO link in different weather conditions. Using Raptor codes, the FSO communication system can adapt to the channel gain fluctuations caused by atmospheric turbulence and/or(More)
Free-space optical (FSO) communication has witnessed rapid development recently in response to ever-increasing demands for greater bandwidth. FSO links provide fiberspeed with the flexibility of wireless. Commercially available systems offer transmission speeds up to 2.5 Gbps, 5 Gbps and 10 Gbps, and demonstration systems report data rates as high as 160(More)
We study the application of reputation as an instigator of beneficial user behavior in selfish routing and when the network users rely on the network coordinator for information about the network. Instead of using tolls or artificial delays, the network coordinator takes advantage of the users’ insufficient data, in order to manipulate them through the(More)
While free-space optical (FSO) links have many inherent advantages, such as high data rates and license-free operation, they are sensitive to atmospheric conditions. A promising solution to improve the reliability of such communication links is to combine FSO and radio frequency (RF) channels using Raptor codes. This paper presents a first in-field(More)
Along with increasing servitization of business, more and more companies today are shifting from selling only products to suffering integrated and customized products and services that deliver value in use. This change reflects, on one hand, the changing strategies of suppliers and their efforts to stay competitive in the market; on the other hand, it also(More)
As service is becoming increasingly important, many industrial firms have implemented “servitization” strategy and many marketing and management researchers have discussed the topic of business service. This paper focuses on business service types and its impacts from the buyer’s perceptive, especially whether user involvement always takes effects on the(More)