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Cooperation with other Actions

Cooperation between COST 2100 and COST IC0603

COST 2100  and COST IC0603 have established strong scientific links, elaborating on the long cooperation tradition of their parent COST actions. These links aim at fostering the exchanges on topics of common interest, and consolidate the expertise of both actions where each of them can gain knowledge from the other. This is highlighted below, with the intention to encourage members of both actions to be in touch and further cooperate for mutual interest.

One of the strengths of COST2100 lies in radio propagation modelling. This topic has been extensively studied in the previous COST actions by the same researchers and is of paramount importance to further enhance knowledge and models for future wireless communications. An early and obvious result is that in order to provide accurate predictions, a thorough model of radio systems must include the study of both channel properties and antenna properties, which are often deeply coupled. From these considerations stem a logical motivation for setting a cooperation with COST IC0603.

Indeed, the main strength of COST IC0603 lies in the electromagnetic modelling and design of antennas and wireless sensors. In this Action, the basic antenna properties (needed for a correct understanding of a given radio system propagation model) are extracted from their electromagnetic and physical features.

A typical meeting point for both Actions is found in the study of Multiple-Input-Multiple-Ouput (MIMO) techniques for small communicating devices. COST IC0603 research activities focus here on integrating several radiating elements within a minimum space. Features like mutual coupling are always obtained looking at the antenna from a physical point of view (size, shape, materials and weight do matter !). But optimum performance may be defined from the channel & diversity perspective used in COST 2100. On the other hand, COST 2100 focuses on different objectives, like the analysis of the statistical properties of the MIMO channel or on the standardization of OTA measurement methods when using compact antenna arrays. But the optimum internal structure of these arrays and their fine radiation patterns might be provided by COST IC0603 studies.
One last example is that of body area networks (BAN), where both Actions show activities with different objectives but clearly interconnected. While COST IC0603 mainly addresses antenna design for BANs and antenna-body electromagnetic interactions, COST 2100 works in priority towards the establishment of BAN channel models and the performance assessment/design of BAN systems, including networking aspects.
In general, research in COST 2100 will always need data about realistic antenna characteristics, while research from COST IC0603 will need information about realistic propagation environments. This is even more obvious in the growing context of multi-antenna systems which cannot be dissociated from the environment where they are used.

COST 2100 and COST IC0603 Actions have recognized this complementarity from the very beginning. To successfully address the current challenges in the IC technologies, both Actions must not only exist independently but  also interact, cooperate and enrich mutually. The recent Joint Workshop of both Actions "Multiple Antenna Systems on Small Terminals (Small and Smart)", (Valencia, Spain, May 20, 2009) is a clear successful result of this collaborative attitude.