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In this paper, we derive a new model of a radio access system based on a multi-service stochastic knapsack. The stochastic knapsack allows evaluation of the capacity, throughput and blocking probability in a radio access network. The model considers the nonuniform geographic distribution of radio link capacity and traffic load, which are key aspects for system capacity in a realistic radio environment. We also present how the model can be extended to investigate multi-radio access networks with an overlay of different radio cells. For that purpose we investigate different access allocation strategies. We discuss for what scenarios the model is suited, and also pinpoint limitations of the model.
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Rocznik
Tom
Strony
79--87
Opis fizyczny
Bibliogr. 13 poz., rys., wykr.
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autor
- Ericsson Research, Ericsson Allee 1, 52134 Herzogenrath, Germany, joachim.sachs@ericsson.com
Bibliografia
- [1] COST 231, Digital mobile radio toward future generation systems, Final Report, 1999.
- [2] IEEE Std 802.11a-1999(R2003), High-speed Physical Layer in the 5 GHz band, June 2003.
- [3] Fodor G., Furuskär A., Lundsjö J., On Access Selection Techniques in Always Best Connected Networks, Proc. 16th ITC Specialist Seminar, Antwerp, 2004.
- [4] Koo I., Furuskär A., Zander J., Kim K., Erlang Capacity of Multiaccess Systems With Service-Based Access Selection, IEEE Commun. Lett., Vol. 8, No. 11, 2004, pp. 662-664.
- [5] Koudouridis G.P. et al., Feasibility Studies and Architecture for Multi-Radio Access in Ambient Networks, Proc. 15th Wireless World Research Forum (WWRF) Meeting, Paris, 2005.
- [6] Magnusson P., Prytz V., Sachs J., Rinta-Aho T., Link Cost Abstraction, Tech. Rep. FP6-CALL4-027662-AN P2/WPC-EAB201, EU 6FP Ambient Networks integrated project, March 2006.
- [7] Mohr W., Heterogeneous Networks to Support User Needs with Major Challenges for New Wideband Access Systems, Wireless Personal Communications, Vol. 22, No. 2. 2002, pp. 109-137.
- [8] Mohr W., Spectrum demand for systems beyond IMT-2000 based on data rate estimates, Wireless Communications and Mobile Computing, Vol. 3, No. 7, 2003, pp. 817-835.
- [9] Parkvall S., Dahlman E., Frenger P., Beming P., Persson M., The evolution of WCDMA towards higher speed downlink packet data access, Proc. IEEE Vehicular Technology Conference (VTC Spring), Rhodes, 2001, pp. 2287-2291.
- [10] Ross K.W., Multiservice Loss Models for Broadband Telecommunication Networks, Springer, London, 1995.
- [11] Sarangan, V., Ghosh, D., Gautam, N., Acharya. R., Steady State Distribution for Stochastic Knapsack with Bursty Arrivals, IEEE Comm. Lett., Vol. 9, No. 2, 2005, pp. 187-189.
- [12] Shannon C.E., A Mathematical Theory of Communication, The Bell System Technical Journal, Vol. 27, 1948, pp. 379-423, 623-656.
- [13] Tölli A., Hakalin P., Holma H., Performance Evaluation of Common Radio Resource Management, Proc. IEEE Int. Conf. Communications (ICC), New York, 2002, pp. 261-265.
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Bibliografia
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bwmeta1.element.baztech-article-BAT5-0027-0074