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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Peng Liang Pei Li Shaopeng Feng Weiling Wu |
| Copyright Year | 2005 |
| Description | Author affiliation: Sch. of Inf. Eng., Beijing Univ. of Posts & Telecommun., China (Peng Liang; Pei Li) |
| Abstract | This paper presents a low complexity deterministic sequential Monte Carlo (DSMC) detection scheme, called multi-level mapping DSMC detector, for high-order QAM constellations. The new scheme utilizes the property of QAM constellation and performs the sequence weight calculation in steps of two bits, which reduces the complexity. Being soft-input soft-output in nature, the multi-level mapping DSMC detector can be employed as the first-stage demodulator in a turbo receiver in coded MIMO systems. As a suboptimum detector with complexity linear in the number of transmit antennas, the multilevel mapping DSMC detector provides performance practically identical with that of the basic DSMC detector, and reduces the complexity from exponential in the modulation coefficient to linear with the modulation coefficient. Computer simulation for the uncoded MIMO system in the flat fading channel and the coded MIMO-OFDM turbo receiver system in the frequency selective multi-path fading channel proves the performance. |
| Starting Page | 68 |
| Ending Page | 71 |
| File Size | 342013 |
| Page Count | 4 |
| File Format | |
| ISBN | 078039335X |
| DOI | 10.1109/WCNM.2005.1543980 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-09-26 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fading Monte Carlo methods Quadrature amplitude modulation Computer simulation Detectors Frequency MIMO Detection algorithms Sliding mode control Demodulation |
| Content Type | Text |
| Resource Type | Article |
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