Tham khảo tài liệu 'quality of service and resource allocation in wimaxfig part 11', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Evaluation of QoS and QoE in Mobile WIMAX - Systematic Approach 241 20 ITU-T Recommmendation Series P Telephone Transmission Quality Methods for objective and subjective assessment of quality - Methods for subjective determination of transmission quality 1996 21 . Garroppo S. Giordano D. Gacono A. Cignoni M. Falzarano Wimax testbed for interconnection of mobile navy units in operation scenarios University of Pisa in Italy May 2008 22 T. Deryckere W. Joseph L. Martens A software tool to relate technical performance to user experience in a mobile context Department of Information Technology August 2008 23 . Webster . Jones . Pinson . Voran S. Wolf An objective video quality assessment system based on human perception The Institute for Telecommunication Sciences February 20 24 Perceptual evaluation of speech quality PESQ An objective method for end-to-end speech quality assessment of narrow-band telephone networks and speech codecs Telecommunications Standarization Sector of ITU 25 K. Piamratm A. Ksentini C. Viho J. Bonnin Perceptual evaluation of speech quality PESQ An objective method for end-to-end speech quality assessment of narrowband telephone networks and speech codecs University of Rennes September 2009 26 A. Paulo Couta de Silva M. Varela E. de Souza Silva Rosa . Lea G. Rubino Quality assessment of interactive voice applications Federal University of Rio De Janeiro January 2008 27 . Cole . Rosenbluth Voice over IP performance monitoring Computer Communications Review 2001 28 L. Carvalho E. Mota R. Auiar . Lima . de Souza A. Baretto An E-model Implementation for Speech Quality Evaluation in VoIP Systems 2004 29 . Walker Assessing VoIP call quality using the E-model netIQ 30 A. Meddahi H. Afifi D. Zeghlache Packet-E-Model E-model for Wireless VoIP Quality Evaluation IEEE Symposium on Personal Indoor and Mobile Radio Communication Proceedings 31 Hyun-Jong Kim Dong-Hyeon Lee Jong-Min Lee Kyoung-Hee Lee Won Lyu Seong- Gon .