Differentially en/decoded orthogonal space-time block codes with APSK signals

Xiang Gen Xia

doi:10.1109/4234.996040

Differentially en/decoded orthogonal space-time block codes with APSK signals

Xiang Gen Xia^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Abstract

In this letter, we propose a differential en/decoding scheme for Almouti's orthogonal space-time code using amplitude/phase-shift keying (STC-APSK) signals and two transmit antennas. It is compared with the differential en/decoding scheme using 16APSK and single transmit antenna. It is also compared with the differential en/decoding scheme for Almouti's orthogonal space-time code using 16PSK (STC-16PSK) signals and two transmit antennas. We find that the performance of the differentially en/decoded STC-APSK with 4.5 b/s/Hz is significantly better than that of the differentially en/decoded 16APSK with 4 b/s/Hz, and is almost the same as that of the STC-16PSK with 4 b/s/Hz over Rayleigh flat fading channels.

Original language	English
Pages (from-to)	150-152
Number of pages	3
Journal	IEEE Communications Letters
Volume	6
Issue number	4
DOIs	https://doi.org/10.1109/4234.996040
Publication status	Published - Apr 2002
Externally published	Yes

Keywords

Differential amplitude/phase-shift keying (DAPSK)
Differential en/decoding
Orthogonal space-time codes

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10.1109/4234.996040

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abstract = "In this letter, we propose a differential en/decoding scheme for Almouti's orthogonal space-time code using amplitude/phase-shift keying (STC-APSK) signals and two transmit antennas. It is compared with the differential en/decoding scheme using 16APSK and single transmit antenna. It is also compared with the differential en/decoding scheme for Almouti's orthogonal space-time code using 16PSK (STC-16PSK) signals and two transmit antennas. We find that the performance of the differentially en/decoded STC-APSK with 4.5 b/s/Hz is significantly better than that of the differentially en/decoded 16APSK with 4 b/s/Hz, and is almost the same as that of the STC-16PSK with 4 b/s/Hz over Rayleigh flat fading channels.",

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AB - In this letter, we propose a differential en/decoding scheme for Almouti's orthogonal space-time code using amplitude/phase-shift keying (STC-APSK) signals and two transmit antennas. It is compared with the differential en/decoding scheme using 16APSK and single transmit antenna. It is also compared with the differential en/decoding scheme for Almouti's orthogonal space-time code using 16PSK (STC-16PSK) signals and two transmit antennas. We find that the performance of the differentially en/decoded STC-APSK with 4.5 b/s/Hz is significantly better than that of the differentially en/decoded 16APSK with 4 b/s/Hz, and is almost the same as that of the STC-16PSK with 4 b/s/Hz over Rayleigh flat fading channels.

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Differentially en/decoded orthogonal space-time block codes with APSK signals

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Keywords

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