Li, WeichangWeichangLiPreisig, James C.James C.PreisigWEI-CHANG LI2020-04-282020-04-2820070364-9059https://scholars.lib.ntu.edu.tw/handle/123456789/486424Estimation of rapidly time-varying sparse channelsjournal article10.1109/JOE.2007.906409WOS:000253182700015