Dajie Jiang Haiming Wang Xiangguang Che Uplink VoIP Performance in E-UTRAN TDD Mode. 2482-2486 2008 VTC Spring http://dx.doi.org/10.1109/VETECS.2008.547 conf/vtc/2008s db/conf/vtc/vtc2008s.html#JiangWC08