CTH10-6: Diagonal Block Space-Time Code Design for Continuous-Phase Modulation

TitleCTH10-6: Diagonal Block Space-Time Code Design for Continuous-Phase Modulation
Publication TypeConference Paper
Year of Publication2006
AuthorsSilvester, A. - M., L. Lampe, and R. Schober
Conference NameGlobal Telecommunications Conference, 2006. GLOBECOM '06. IEEE
Pagination1 -6
Date Publishednov.
Keywordsblock codes, channel state information, continuous phase modulation, continuous-phase modulation, diagonal block space-time code design, diagonal signal matrix, differential ST modulation, fading channel, fading channels, frame-error rate, linear modulation format, matrix algebra, optimisation, power-efficient transmission, space-time codes

The combination of space-time (ST) coding and continuous-phase modulation (CPM) is attractive for power-efficient transmission over fading channels. In this paper, we propose a diagonal block based ST-CPM (DBST-CPM) scheme, which in addition to high power efficiency facilitates detection without channel state information at the receiver. DBST-CPM can be regarded as a non-trivial extension of well-known differential ST modulation (DSTM) with diagonal signal matrices for linear modulation formats. We derive an upper bound on the frame- error rate of DBST-CPM and we present an efficient algorithm for optimization of the code parameters of DBST-CPM. Numerical and simulation results show that the upper bound accurately predicts the performance of DBST-CPM and that the proposed code optimization yields highly power-efficient designs.


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