May 19, 2005 #1 eng_Semi Full Member level 6 Joined May 3, 2005 Messages 325 Helped 37 Reputation 74 Reaction score 6 Trophy points 1,298 Location Egypt Activity points 4,111 What is the antenna type used in the GSM BTS and the MS ?
May 19, 2005 #2 V vfone Advanced Member level 6 Joined Oct 10, 2001 Messages 5,709 Helped 1,616 Reputation 3,237 Reaction score 1,248 Trophy points 1,393 Activity points 36,264 Re: GSM antenna For Base Station the most common are P@tch Array and Vertical Dipoles Array. For mobile the most common are PIFA and Helix.
Re: GSM antenna For Base Station the most common are P@tch Array and Vertical Dipoles Array. For mobile the most common are PIFA and Helix.
May 19, 2005 #3 mogwai Full Member level 3 Joined Jan 21, 2003 Messages 159 Helped 13 Reputation 26 Reaction score 8 Trophy points 1,298 Location Greece Activity points 1,299 Re: GSM antenna Some X-polarization base station antennas have dipole-pairs in two configurations: 1) in X (cross-shaped) providing 90deg HPBW in horizontal plane 2) in <> (rhombic) providing 65dge HPBW... Take a look at some very interesting articles from Kathrein (with pictures): /http://www.kathrein.com mog.
Re: GSM antenna Some X-polarization base station antennas have dipole-pairs in two configurations: 1) in X (cross-shaped) providing 90deg HPBW in horizontal plane 2) in <> (rhombic) providing 65dge HPBW... Take a look at some very interesting articles from Kathrein (with pictures): /http://www.kathrein.com mog.