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Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

Allocation of Radio Resources to packet-switched traffic in GPRS-like networks. By group 896 Supervisors: Students: Hans Peter Schwefel Xin Zhou Patrick Eggers Jimena Llorente Martinez Devendra Prasad François Delawarde Gwénaël Coget Haibo Wang. Project description:.

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Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

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  1. Allocation of Radio Resources to packet-switched traffic in GPRS-like networks By group 896 Supervisors:Students: Hans Peter Schwefel Xin Zhou Patrick Eggers Jimena Llorente Martinez Devendra Prasad François Delawarde Gwénaël Coget Haibo Wang Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  2. Project description: • Analyze existing GPRS radio resource management strategies. • Define scenarios and input parameters, for which an algorithm for the assignment of resources to packet-switch traffic will be developed. • Evaluate/validate the algorithm in simplified simulation models. Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  3. Performance Evaluation • Simulator validation • Simulations parameters • Simulations results • Future work Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  4. Simulator Validation • RRM strategies: use of output functions and breakpoints to check the behaviour of access queue, choice of TRX/TS, scheduler, reassignment, preemption… • Propagation /Transmission: comparison between the curve used to map C/I, BLER and throughput and the one obtained • Traffic Model: comparison between input parameters and traffic generated (number of sessions per hour, call length, session size…) Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  5. Simulations Parameters Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  6. Simulations Results • Throughput per Cell Vs. Traffic Load • Throughput per Session Vs. Traffic Load • Access Delay Vs. Traffic Load • Blocking Rate GPRS Vs. Traffic Load • Throughput per Session Vs. C/I Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  7. Throughput per Cell Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  8. Throughput per Session Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  9. Throughput Per Session Vs. C/I Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  10. Mean access delay Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  11. Blocking Rate GPRS Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

  12. Future Work • Consideration of QoS requirements (traffic model with different types of service) • Consideration of Uplink • Investigation of higher layers Group 896 Allocation of Radio Resources to packet-switched traffic in GPRS-like networks

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