Mobile WiMAX [Guest Editorial]

This feature topic is a follow-up to the October 2008 feature topic on WiMAX technology. This issue includes additional articles covering other important aspects of WiMAX technology and its evolution, including an overview of IEEE 802.16m, MIMO advancement, multihop relay, multiradio collocated coexistence with WiFi/Bluetooth, WiMAX-EVDO interworking, WiMAX end-to-end performance, IP mobility, and IEEE 802.16e adaptation to satellite services.