A Space-Time Coded MIMO TH-UWB Transceiver with Binary Pulse Position Modulation
In this paper, we propose a new multiple-input- multiple-output (MIMO) transceiver for time-hopping ultra- wideband (TH-UWB) communications. We consider the problem of space-time (ST) coding with binary pulse position modulation (PPM) and we propose the first known family of rate-1 ST codes that can...
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| التنسيق: | article |
| منشور في: |
2007
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| الوصول للمادة أونلاين: | http://hdl.handle.net/10725/3085 http://dx.doi.org/10.1109/LCOMM.2007.070047 http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4257452 |
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| الملخص: | In this paper, we propose a new multiple-input- multiple-output (MIMO) transceiver for time-hopping ultra- wideband (TH-UWB) communications. We consider the problem of space-time (ST) coding with binary pulse position modulation (PPM) and we propose the first known family of rate-1 ST codes that can be associated with binary PPM without introducing any additional constellation extension. We prove that the proposed encoding scheme can achieve a full transmit diversity order with 2k transmit antennas. At the receiver side, we propose a maximum-likelihood (ML) decoder that is adapted to the structure of the considered multi-dimensional constellation that does not have the structure of a lattice |
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