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Scheduling with Heterogeneous QoS Provisioning for Indoor Visible-light Communication
Xiaoli Dong,Xuefen Chi,Hongliang Sun,Yuhong Zhu 한국광학회 2018 Current Optics and Photonics Vol.2 No.1
Visible-light communication (VLC) combined with advanced illumination can be expected to become an integral part of next-generation communication networks. One of the major concerns in VLC implementation is developing resource-allocation schemes in a multi-user scenario. However, the scheduling for heterogeneous quality of service (QoS) traffic has not been studied so far, for the indoor VLC downlink system. In this paper, we creatively introduce effective-bandwidth and effective-capacity theory into the multi-user scheduling (MUS) problem, to guarantee the user’s statistical delay QoS. We also take account of the aggregate interference (AI) in the indoor VLC downlink system, and analyze its impact on the user-centric MUS problem for the first time. Simulations show that the AI has a nonnegligible influence on the scheduling result, and that the proposed scheduling scheme could guarantee the user’s QoS requirement under the premise of ensuring sum capacity.
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Junwei Pei,Yongji Jin,Peng Li,Junjun Yang,Hongliang Chi 동북아경상학회 2023 동북아경상연구 Vol.4 No.2
Purpose - The purpose of this paper is to explore the existing problems of the Asian Cruise Service Quality. Based on the relationship between customer participation , customer service personal value and customer loyalty, this paper expounds on how European and American cruise companies can improve customer loyalty by enhancing “customers’ personal value perception to realize the harmony and unity of the enterprises’ profits and social benefits. Design/Methodology/Approach - Based on marketing, the paper studies the low service quality problems of Asian cruise companies. Based on the case analysis and the marketing theories regarding Service-dominant Logic, Customer Value Theory, Customer Loyalty Theory, taking Amercian Princess Cruise company as an example, found the main problems of Asian cruise companies: Low customer loyalty and poor customer experience. Therefore, we make three suggestions. Findings - This paper analyses the promotion path of Carnival Cruise Line, which includes powerful cultural values, surprise service, zero burdens etc. to promote the customer’s personal value perception, therefore obtain the loyalty of the customers. The above empirical research results uncover the relationship among customer participation, personal service value, and customer loyalty, and customers’ participation always helps to strengthen their loyalty (Dubé and Renaghan, 2000; Guo Anxi et al., 2013; Kashyap and Bojanic, 2000; Williams and Soutar, 2009). Research Implications - In the management of this paper, this study has significance in improving the development of Asian tourism, improving user experience and service quality which will also provide a reference for other “scholars’ follow-up research
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