Essays about: "HARQ"

Showing result 6 - 8 of 8 essays containing the word HARQ.

  1. 6. Turbo Equalization for HSPA

    University essay from Kommunikationssystem

    Author : Cagatay Konuskan; [2010]
    Keywords : Turbo equalization; MMSE; HSPA; ISI; decoding; equalization; low complexity; HARQ;

    Abstract : New high quality mobile telecommunication services are offered everyday and the demand for higher data rates is continuously increasing. To maximize the uplink throughput in HSPA when transmission is propagated through a dispersive channel causing self-interference, equalizers are used. READ MORE

  3. 7. Performance Evaluation of TCP Variants over UMTS Networks

    University essay from Institutionen för informationsteknologi

    Author : Nikunj Modi; [2008]
    Keywords : ;

    Abstract : With the evolution of 3G technologies like Universal Mobile TelecommunicationSystem (UMTS), the usage of TCP has become more popular for a reliable end-to-end (e2e) data delivery. However, TCP was initially designed for wired networks and therefore it suffers performance degradation due to the radio signal getting affected by fading, shadowing and interference. READ MORE

  4. 8. Implementation and simulation of HSDPA functionality with ns-2

    University essay from Institutionen för systemteknik

    Author : Haichuan Jianqiu Wu Zhao; [2005]
    Keywords : Reglerteknik; UMTS; HSDPA; ns-2; EURANE; HS-DSCH; DCH; Power Consumption; FCDS; Reglerteknik;

    Abstract : Enhanced packet-data access is a trend in third generation mobile communication system. WCDMA Release 5 introduces HSDPA (High Speed Packet Data Access) with a brand new downlink transport channel HS-DSCH (High Speed Downlink Shared Channel) into 3GPP specification to provide greater capacity. READ MORE