Sökning: "GPRS EDGE"

Visar resultat 1 - 5 av 12 uppsatser innehållade orden GPRS EDGE.

  1. 1. Implicit Channel Allocation in GSM/EDGE radio networks

    Master-uppsats, Institutionen för datavetenskap; Tekniska högskolan

    Författare :Emily Leiviskä; [2012]
    Nyckelord :GSM; EDGE; GPRS packet scheduling; channel allocation; implicit channel allocation; ICA;

    Sammanfattning : Efficient channel allocation in GSM communication is difficult and believed to be a performance bottleneck. This thesis is dedicated to studying the performance of GSM/EDGE networks in modern usage scenarios (surfing the web, chatting and streaming services) under the assumption that explicit channel allocation is not needed. LÄS MER

  3. 2. Evaluation of Word Length Effects on Multistandard Soft Decision Viterbi Decoding

    Master-uppsats, Elektroniksystem

    Författare :Ahmed Salim; [2011]
    Nyckelord :Soft-Decision Viterbi; Tail-biting; Zero-tail; Direct Trace-back; Word Length effects; floating point quantization; BER analysis;

    Sammanfattning : There have been proposals of many parity inducing techniques like Forward ErrorCorrection (FEC) which try to cope the problem of channel induced errors to alarge extent if not completely eradicate. The convolutional codes have been widelyidentified to be very efficient among the known channel coding techniques. LÄS MER

  4. 3. Optimization of Remote ServiceSolution for large installations : Wireless LAN and WAN for ABB Robotics

    Kandidat-uppsats, Akademin för innovation, design och teknik

    Författare :Håkan Stenbom; [2011]
    Nyckelord :ABB Robotics; EDGE; EGPRS; industrial Ethernet; HSDPA; HSPA; HSUPA; Wi- Fi; wireless data transfer; WAN; LAN; WWAN; WLAN; GSM; Remote Service; 3G;

    Sammanfattning : This report describes a thesis work carried out at ABB Robotics in Västerås. The objective of this thesis is to find technologies  and equipments  for wireless data transfer  suitable for the present and future needs of ABB Robotics Remote Service for large installations in industrial environments. LÄS MER

  5. 4. APSEN Analysis for Beyond 3G Wireless Networks

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :MUHAMMAD QADEER; MUHAMMAD HUMRAN KHAN; [2009]
    Nyckelord :B3G; 4G; APSEN; QoS; OSI; MIND; PUD; NMT; AMPS; VAS; GPRS; EDGE; UMTS; 3GPP; SDP; SAP; MCHO; Mobility management; TLDN; Mobile IP.;

    Sammanfattning : The beyond 3G official IEEE name for next generation of wireless technology, some people also called it as 4G (fourth-generation) mobile communication systems. Beyond 3G will be used largely to contain not only cellular telephone systems but also several types of broadband wireless access communication systems, have been attracting much interest in the mobile communication field. LÄS MER

  7. 5. Improvement on the Radio Link Reliability of Wireless M2M Application in Industrial Environment

    Master-uppsats, KTH/Kommunikationssystem, CoS

    Författare :Li Shi; [2009]
    Nyckelord :Wireless M2M; Remote Service; GPRS EDGE; HSPA; industrial environment; link budget calculation; repeater system; indoor coverage simulation.;

    Sammanfattning : The study presented in this thesis is focused on the investigation of wireless application in industrial environment. The objective of this work is to provide an insight on the development of the wireless machine to machine (M2M) application, and a systematic approach for improving the application reliability on radio link level by end users. LÄS MER