A 2x2 shape-preserving ST code for UWB communications with multipulse PPM
Print Request Permissions In this paper, we consider the application of Multipulse Pulse Position Modulation (MPPM) as a power-efficient modulation scheme for Impulse-Radio Ultra-Wideband (IR-UWB) communications and we propose the first known MPPM-specific 2×2 space-time code that is convenient for...
محفوظ في:
| المؤلف الرئيسي: | |
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| التنسيق: | article |
| منشور في: |
2011
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| الوصول للمادة أونلاين: | http://hdl.handle.net/10725/3075 http://dx.doi.org/10.1109/TWC.2011.060711.101038 http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5898371&tag=1 |
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| الملخص: | Print Request Permissions In this paper, we consider the application of Multipulse Pulse Position Modulation (MPPM) as a power-efficient modulation scheme for Impulse-Radio Ultra-Wideband (IR-UWB) communications and we propose the first known MPPM-specific 2×2 space-time code that is convenient for this modulation. The proposed rate-1 code achieves a full transmit diversity order with all MPPM constellations without introducing any constellation expansion. We also show that the proposed code profits from a low decoding complexity in the absence of interference between the different modulated UWB pulses. |
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