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High Capacity Relay Protocols for Wireless Networks (Invited Paper)
Yijia Fan,Ioannis Krikidis,Chao Wang,John S. Thompson,H. Vincent Poor 한국통신학회 2009 Journal of communications and networks Vol.11 No.2
Over the last five years, relaying or multihop techniques have been intensively researched as means for potentially improving link performance of wireless networks. However, the data rates of relays are often limited because they cannot transmit and receive on the same frequency simultaneously. This limitation has come to the attention of researchers, and recently a number of relay techniques have been proposed specifically to improve the data efficiency of relaying protocols. This paper surveys transmission protocols that employ first single relays, then multiple relays and finally multiple antenna relays. A common feature of these techniques is that novel signal processing techniques are required in the relay network to support increased data rates. This paper presents results and discussion that highlight the advantages of these approaches.
(BOOK REVIEWS) Public innovation through collaboration and design
Yijia Jing 한국행정학회 2015 International Review of Public Administration Vol.20 No.3
Public innovation through collaboration and design, edited by Christopher Ansell and Jacob Torfing, Abingdon, Oxon, Routledge, 2014, 246 pp., US$155 (hardback), ISBN 978-0-415-85859-5
Yijia Wang,Haijie Yin 보안공학연구지원센터 2016 International Journal of Database Theory and Appli Vol.9 No.1
This study identifies the job quality among the working poor in Harbin from five aspects: physical working environment, psychological working environment, job security and flexibility, job satisfaction and income. Three hundred and seventy-seven working poor people are recruited using convenience sampling strategies. Factor analysis and cluster analysis results indicate that there are three types of job quality groups among the respondents. Low job quality group shows the characteristics of adverse working environment, informal employment, middle ranking on relationship with co-workers, and low satisfaction on job quality. On the contrary, high job quality group presented the characteristics of comfortable working environment, formal employment, high ranking on relationship with co-workers, and high satisfaction. Multiple regression results indicate that gender, hukou system and educational background are closely associated with job quality. Female’s job quality is higher than male’s. People with nonagricultural hukou keep a higher job quality than people with agricultural ones. People who graduate from university keep a higher job quality than others.
Yijia Wang,Haijie Yin,Ji Wu 보안공학연구지원센터 2016 International Journal of Hybrid Information Techno Vol.9 No.9
This article shows an analysis of job types which deepens the understanding of job quality of the working poor in the Northeast of China. Hierarchical cluster analysis and K-Means cluster analysis are adopted to develop taxonomy of four job types: vulnerable jobs, insecure jobs, environmental advantage jobs, and relatively saturated jobs. In these four job types, vulnerable jobs are characterized by low income, poor labor insurance, adverse working environment and little chances for future development. Environmental advantage jobs are characterized by relatively better working environment, but the conditions of other three aspects of job quality are lower than the average level of the sample. Insecure jobs are characterized by extremely poor condition on labor security and evidently higher income level. The conditions of working environment and vocational development in this job types are evidently lower than the average levels of the sample. Relatively saturated jobs are characterized by higher income, and better labor security. The working environment and vocational development are just at the average level of the sample.
아이돌 브랜드 자산 및 태도 형성을 위한 트랜스미디어 스토리텔링 활용 연구
Wu, Yijia,주예진,남윤재 한국소통학회 2022 한국소통학보 Vol.21 No.2
본 연구는 트랜스미디어 스토리텔링을 활용한 아이돌 브랜딩이 아이돌 브랜드 자산 및 브랜드 태도에 미치는 영향을 검증하였다. 한국 아이돌에 관심이 있는 중국 인터넷 사용자를 대상으로 온라인 설문조사를 하여 총 383부 설문지를 수집하였고, SPSS 23.0 과 AMOS 23.0을 사용하여 분석하였다. 연구 결과, 트랜스미디어 스토리텔링을 활용한 아이돌 브랜딩의 오락성과 감성자극은 아이돌 브랜드 자산인 아이돌 브랜드 인지도에 긍정적인 영향을 미쳤다. 몰입성과 감성자극은 아이돌 브랜드 자산인 아이돌 브랜드 동 일시에 긍정적인 영향을 미치고 있었다. 그리고 아이돌 브랜드 자산인 아이돌 브랜드 인지도와 브랜드 동일시는 모두 아이돌 브랜드 태도에 긍정적인 영향을 미쳤다. 이러한 결과를 바탕으로 트랜스미디어 스토리텔링을 사용한 아이돌 브랜딩 전략을 펼칠 때 줄 수 있는 시사점을 도출하였다. This study examined the influence of idol branding using trans-media storytelling on idol brand equity and brand attitude. This investigation is based on data collected from 383 Chinese online users who were interested in South Korean idol. Results show that the two characteristics(recreation, emotional stimulus) of idol branding using transmedia storytelling exerted positive impacts on the idol brand recognition which belongs to brand equity. Meanwhile, immersion and emotional stimulus seems to impact positively on the idol brand empathy which belongs to brand equity. In addition, both idol brand recognition and idol brand empathy have positive effects on the idol brand attitude.
High Capacity Relay Protocols for Wireless Networks
Fan, Yijia,Krikidis, Ioannis,Wang, Chao,Thompson, John S.,Poor, H. Vincent The Korea Institute of Information and Commucation 2009 Journal of communications and networks Vol.11 No.2
Over the last five years, relaying or multihop techniques have been intensively researched as means for potentially improving link performance of wireless networks. However, the data rates of relays are often limited because they cannot transmit and receive on the same frequency simultaneously. This limitation has come to the attention of researchers, and recently a number of relay techniques have been proposed specifically to improve the data efficiency of relaying protocols. This paper surveys transmission protocols that employ first single relays, then multiple relays and finally multiple antenna relays. A common feature of these techniques is that novel signal processing techniques are required in the relay network to support increased data rates. This paper presents results and discussion that highlight the advantages of these approaches.