手持式數位視訊廣播 數位視訊廣播 數據資料廣播 數位電視 時間切片 多重協定封裝-前向糾錯 軟式交遞 正交頻率分割多工 Digital video broadcasting DVB Digital video broadcasting-handheld DVB-H Internet protocol-datacast IP-datacast Digital television DTV Time-slicing Multi-protocol encapsulation-forward error correction MPE-FEC Soft handover Orthogonal frequency division multiplexing OFDM