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i strongly suggest PIFA and texas Instrument IFA. best result for us in bluetooth transmission thats 2.4ghz both are 50 ohms so fine tuning needed only. by the way, use CST MWS to simulate antenna. perfect for fine tuning your antenna.
mesh error mws
i have encounter the first and second problem you have. adjust "mesh" Global mesh Properties until your port does not lie on the mesh. you can increase the mesh line ratio limit or any of the three mesh density control. if the mesh becomes too large apply subgridding on the...
electromagnetic effect
no need to do that i guess. i have seen on there example simulation the simulated cellphone radiation to the head. i think if you mean the radiation to the head, thats it. just go to help then search for examples, its there.
cst dual core
i have try CST on CPU's single core 2.6Ghz 1G ram, core2Duo 1G ram, and core2quad 2G ram. i can only experience the difference when the processor is 100% used. Simulation time is less than 1/2 in core2quad compare to core2duo. but you cannot compare the time of simulation on both...
cst thin wires
i believe VR4V6E39 is that you need to really check your mesh not just by increasing the values. the mesh density control has 4 control. try to change them each and you should see if it still in 3 homogeneous mesh.
just my opinion
help in cst
i believe you need to see there example. go to the help! i learn there through analyzing there examples. maybe you need to increase the mesh so that your port is not in the perfect conductor line. then use subgridding to make the simulation faster. and maybe instead of using...
bestway to make antenna phone
you can simulate that using CST microwave simulation. i have been trying to make a helix antenna for pmr application. though we did not test it yet in the field.
antenna s11
IMHO, the bigger magnitude of S11 you have the more it is bad coz it means that all you transmitted most will be lost because the reflected is almost equal to the incident. you still need to tune your antenna, it is maybe mismatch with your transmission line, i guess.
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