1. 4G wireless technology: when will it happen?;Krenik,2008
2. Relay vs. repeater architectures in WiMAX;Georgas,2010
3. Phased array antenna receives 4G networks;Petropoulos;Microw RF,2012
4. Frequency reconfigurable quasi-Yagi microstrip antenna with beam shaping for WiMAX application;Ali,2011
5. Design of a broadband low-loss coupled-line multisection symmetrical 3-dB directional coupler in suspended stripline technology;Gruszczynski,2010