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  • Article

  • A new iterative scheme with nonexpansive

    • Authors: Pham, Ngoc Anh; Thanh DD (2012)

  • In this paper, we suggest a new iteration scheme for finding a common of the solution set of monotone, Lipschitz-type continuous equilibrium problems and the set of fixed points of a nonexpansive mapping. The scheme is based on both hybrid method and extragradient-type method. We obtain a strong convergence theorem for the sequences generated by these processes in a real Hilbert space. Based on this result, we also get some new and interesting results. The results in this paper generalize, extend, and improve some well-known results in the literature. AMS 2010 Mathematics subject classification: 65 K10, 65 K15, 90 C25, 90 C33.
  • Article

  • ON QoS-BASED ROUTING AND RESOURCE OPTIMIZATION

    • Authors: Lê, Hữu Lập; Hoàng, Minh (2009)

  • Technology and service convergence is current trend of telecommunication and the guarantee quality of service (QoS) for each application while retaining the best usage of resources is an important criterion for a such network. This leads to a QoS-based optimization process for routing (QoSR) and different aspects with respect to the said are briefly mentioned in this paper as follows: Basis of QoSR technique (II), Bandvvith-based QoSR problem (III), A proposed QoSR on MPLS-DiffServ architecture model (IV), Discussions and conclusions with respect to the proposed model (V).
  • Article

  • Simulink model and FPGA-based OFDM communication system: a simulation and hardware integrated platform

    • Authors: Le, Khoa Dang; Nguyen, Huu Phuong; Nguyen, Duc Nhan; Le, Nguyen Binh (2010)

  • Ultra-broadband networks are currently attracting significant interests in employing wireless access and optical fiber access to the home and to the building at symbol rate reaching Gb/s. OFDM is a multicarrier modulation technique and considered to offer significant reduction of the data symbol to be carried per carrier channel, especially in ultra-high speed optical communications with bit rate reaching 100 Gb/s or even higher. This paper thus presents a novel and generic OFDM system employing both MATLAB Simulink and FPGA-based development software platform for simulation as well as hard- ware implementation for the generation and detection of OFDM signals for wireless and optical communica...