Two-stage blind detection of differential space-time block coded continuous phase modulation

TitleTwo-stage blind detection of differential space-time block coded continuous phase modulation
Publication TypeJournal Article
Year of Publication2007
AuthorsRiediger, M. L. B., and P. K. A. Ho
JournalIEEE Transactions on Wireless Communications
Volume6
Pagination3148–3153
ISSN1536-1276
Abstract

We introduce a space-time (ST) continuous phase modulation (CPM) and its companion noncoherent receiver. Through careful selection of an underlying differential code, the defining characteristics of the CPM transmissions are effectively maintained. Using a set of interference suppressed statistics and taking advantage of the ST differential encoding, the receiver first performs low complexity block detection. Channel estimates are then obtained at a rate notably higher than the CPM symbol rate, enabling a second-stage coherent sequence detector to refine the initial decisions. Simulation results for two CPM formats, with two and four transmit antennas, validate the proposed ST-CPM scheme.

URLhttp://dx.doi.org/10.1109/TWC.2007.06020003
DOI10.1109/TWC.2007.06020003

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