Hwang, H.-K.H.-K.HwangLIN-SHAN LEEChen, S.-H.S.-H.Chen2020-06-112020-06-11198907338716https://scholars.lib.ntu.edu.tw/handle/123456789/498676https://www.scopus.com/inward/record.uri?eid=2-s2.0-0024881330&doi=10.1109%2f49.44588&partnerID=40&md5=933f2fe2c8a05964192941c21df40da9Multi-h phase-coded modulation (MHPM) is a bandwidth efficient modulation scheme which offers substantial coding gain over conventional digital modulations. In this paper, a new concept of MHPM with asymmetric modulation indices corresponding to the bipolar data +1 and -1 is considered, and numerical results of the minimum Euclidean distances for such asymmetric binary multi-h schemes are provided. It is shown that performance improvements on the error probability are gained over conventional MHPM with essentially the same bandwidth and a very slight modification in implementation. The upper bounds of error probabilities as functions of observation intervals and received Eb/N0 are also investigated in detail. © 1989 IEEECodes, Symbolic--Encoding; Probability; Signal Processing--Signal Encoding; Asymmetric Modulation Indexes; Error Probabilities; Minimum Euclidean Distances; Multi-h Phase-Coded Modulation (MHPM); Digital Communication Systemsjournal article10.1109/49.445882-s2.0-0024881330