Essays about: "OFDMA Wireless Networks"

Showing result 1 - 5 of 6 essays containing the words OFDMA Wireless Networks.

  1. 1. Energy-Efficient Resource Allocation in OFDMA Systems

    University essay from Kommunikations- och transportsystem; Tekniska högskolan

    Author : Ting Chen; [2013]
    Keywords : Keywords ‒ OFDMA; resource allocation; energy efficiency; circuit energy consumption at transmitter and receiver; heuristic search; integer linear programming; upper and lower bounds;

    Abstract : In this thesis, a resource allocation problem in OFDMA is studied for the energy efficiency of wireless network. The objective is to minimize the total energy consumption which includes transmission energy consumption, and circuit energy consumption at both transmitter and receiver with required per user’s rate constraint. READ MORE

  3. 2. Performance Evaluation of LTE Physical Layer Using SC-FDMA & OFDMA

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Abdul Samad Shaikh; Khatri Chandan Kumar; [2011]
    Keywords : OFDMA; SC-FDMA; LTE; BER; PAPR;

    Abstract : Since past few decades different types of cellular networks were launched and went successful on the radio links such as WiMAX, that became very popular because of its high data rate (70Mbps) and support for providing wireless internet services over 50km distance. The UMTS Long Term Evolution (LTE) is an emerging technology in the evolution of 3G cellular services. READ MORE

  4. 3. Performance Study and comparison of Handover Mechanisms between WiMAX Mobile Multihop Relay (802.16j) and mobile WiMAX (802.16e) using NCTUns

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Mohammad Mozammel Hoque; Md. Delwar Hossin; [2011]
    Keywords : Mobile Multhop Relay MMR ; WiMAX; Hard Handover; NCTUns; Base station BS ; Relay station RS ; OFDMA;

    Abstract : Multihop wireless access networks are the subject of much interest at present. In the last few years they have moved from the domain of an interesting research topic to one having a significant impact on the commercial world. READ MORE

  5. 4. Performance Analysis of Channel Allocation Schemes in WiMAX

    University essay from Blekinge Tekniska Högskola/Sektionen för datavetenskap och kommunikation

    Author : Muhammad Rehan Usman; Johar Iqbal; Fahad Razzaq; [2009]
    Keywords : WiMAX; OFDMA; RCS; NPS; DCA; FCA; Handovers;

    Abstract : Today many cellular networks are working in parallel. For instance Global System for Mobile Communication (GSM), Universal Mobile Telecommunication System (UMTS) and Worldwide Interoperability for Microwave Access (WiMAX) etc. All of these technologies are based on cellular networks. Cellular networks are comprised of cells. READ MORE

  6. 5. Performance Evaluation of IEEE 802.16e (Mobile WiMAX) in OFDM Physical Layer

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Gazi Faisal Ahmed Jubair; Muhammad Imran Hasan; Md. Obaid Ullah; [2009]
    Keywords : WiMAX Performance;

    Abstract : WiMAX is introduced by the Institute of Electrical and Electronic Engineers (IEEE) which is standard designated 802.16d-2004 (used in fixed wireless applications) and 802.16e-2005 (mobile wireless) to provide a worldwide interoperability for microwave access. READ MORE