By Leijia Wu, Kumbesan Sandrasegaran
This booklet discusses the elemental thought of universal Radio source administration (CRRM), in particular at the Radio entry applied sciences choice a part of CRRM. It introduces interplay features (information reporting functionality and RRM choice aid functionality) and 4 interplay levels (from low to very excessive) of CRRM. 4 attainable CRRM topologies (CRRM server, built-in CRRM, Hierarchical CRRM, and CRRM in person terminals) are defined. The e-book provides diversified Radio entry applied sciences choice algorithms, together with unmarried criterion and a number of standards dependent algorithms are offered and compares them. eventually, the publication analyses the benefits and downsides of the various choice algorithms.
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Extra resources for A Study on Radio Access Technology Selection Algorithms
Sallent, R. Agustí, A novel metric for context-aware RAT selection in wireless multi-access systems, in The IEEE International Conference on Communications, 2007(ICC’07), Glasgow, June 2007, pp. 5622–5627 References 33 9. O. Sallent, J. Pérez-Romero, R. Ljung, P. Karlsson, A. Barbaresi, Operator’s RAT selection policies based on the fittingness factor concept, in The 16th IST Mobile and Wireless Communications Summit, Budapest, July 2007, pp. 1–5 10. J. Pérez-Romero, O. Sallent, A. Umbert, A. Barbaresi, R.
Li, P. Zhan, Joint radio resource management through vertical handoffs in 4G networks, in IEEE Global Telecommunications Conference (GLOBECOM ’06), Carlifornia, November–December 2006, pp. 1–5 13. A. Umbert, L. Budzisz, N. Vucevic, F. Bernardo, An all-IP heterogeneous wireless testbed for RAT selection and e2e QoS evaluation, in The International Conference on Next Generation Mobile Applications, Services and Technologies (NGMAST ’07), Cardiff, September 2007, pp. 310–315 14. A. Pillekeit, F. Derakhshan, E.
12) i, p,s, j (K j ) = ⎩ (1 − α p,s ) DL ,i, p,s, j (K j ), if not. The second problem of this algorithm is that it does not consider RAT load when calculating the fittingness factor. It is a waste of time and resources to calculate the fittingness factor of a RAT that has no free capacity. It is better to integrate the load parameter into the calculation of the fittingness factor. If the load of a RAT is full, its fittingness factor is set to 0 and it will not be considered as a candidate RAT.
A Study on Radio Access Technology Selection Algorithms by Leijia Wu, Kumbesan Sandrasegaran