9 research outputs found

    Downlink W-CDMA performance analysis and receiver implmentation on SC140 Motorola DSP

    Get PDF
    High data rate applications are the trend in today's wireless technology. W-CDMA standard was designed to support such high data rates of up to 3.84 Mcps. The main purpose of this research was to analyze the feasibility of a fixed-point implementation of the W-CDMA downlink receiver algorithm on a general-purpose digital signal processor (StarCore SC140 by Motorola). The very large instruction word architecture of SC140 core is utilized to generate optimal implementation, to meet the real time timing requirements of the algorithm. The other main aim of this work was to study and evaluate the performance of the W-CDMA downlink structure with incorporated space-time transmit diversity. The effect of the channel estimation algorithm used was extensively studied too

    Journal of Telecommunications and Information Technology, 2010, nr 4

    Get PDF
    kwartalni

    Performance analysis for wireless G (IEEE 802.11G) and wireless N (IEEE 802.11N) in outdoor environment

    Get PDF
    This paper described an analysis the different capabilities and limitation of both IEEE technologies that has been utilized for data transmission directed to mobile device. In this work, we have compared an IEEE 802.11/g/n outdoor environment to know what technology is better. The comparison consider on coverage area (mobility), throughput and measuring the interferences. The work presented here is to help the researchers to select the best technology depending of their deploying case, and investigate the best variant for outdoor. The tool used is Iperf software which is to measure the data transmission performance of IEEE 802.11n and IEEE 802.11g

    Performance Analysis For Wireless G (IEEE 802.11 G) And Wireless N (IEEE 802.11 N) In Outdoor Environment

    Get PDF
    This paper described an analysis the different capabilities and limitation of both IEEE technologies that has been utilized for data transmission directed to mobile device. In this work, we have compared an IEEE 802.11/g/n outdoor environment to know what technology is better. the comparison consider on coverage area (mobility), through put and measuring the interferences. The work presented here is to help the researchers to select the best technology depending of their deploying case, and investigate the best variant for outdoor. The tool used is Iperf software which is to measure the data transmission performance of IEEE 802.11n and IEEE 802.11g

    Anales del XIII Congreso Argentino de Ciencias de la Computaci贸n (CACIC)

    Get PDF
    Contenido: Arquitecturas de computadoras Sistemas embebidos Arquitecturas orientadas a servicios (SOA) Redes de comunicaciones Redes heterog茅neas Redes de Avanzada Redes inal谩mbricas Redes m贸viles Redes activas Administraci贸n y monitoreo de redes y servicios Calidad de Servicio (QoS, SLAs) Seguridad inform谩tica y autenticaci贸n, privacidad Infraestructura para firma digital y certificados digitales An谩lisis y detecci贸n de vulnerabilidades Sistemas operativos Sistemas P2P Middleware Infraestructura para grid Servicios de integraci贸n (Web Services o .Net)Red de Universidades con Carreras en Inform谩tica (RedUNCI

    Anales del XIII Congreso Argentino de Ciencias de la Computaci贸n (CACIC)

    Get PDF
    Contenido: Arquitecturas de computadoras Sistemas embebidos Arquitecturas orientadas a servicios (SOA) Redes de comunicaciones Redes heterog茅neas Redes de Avanzada Redes inal谩mbricas Redes m贸viles Redes activas Administraci贸n y monitoreo de redes y servicios Calidad de Servicio (QoS, SLAs) Seguridad inform谩tica y autenticaci贸n, privacidad Infraestructura para firma digital y certificados digitales An谩lisis y detecci贸n de vulnerabilidades Sistemas operativos Sistemas P2P Middleware Infraestructura para grid Servicios de integraci贸n (Web Services o .Net)Red de Universidades con Carreras en Inform谩tica (RedUNCI
    corecore