A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of the antennas. A cancellation device...http://www.google.de/patents/US20080146183?utm_source=gb-gplus-sharePatent US20080146183 - Method and system for antenna interference cancellation
